Home / 10,426,812.10-15,640,218.15-10,001,659.30

Finding the Fourth Proportional to 10,426,812.10, 15,640,218.15 and 10,001,659.30

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Solution

The fourth proportional to 10,426,812.10, 15,640,218.15 and 10,001,659.30 is: 15,002,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426,812.10 : 15,640,218.15 = 10,001,659.30 : x
  2. Step 2: Convert to fraction form
    10,426,812.10/15,640,218.15 = 10,001,659.30/x
  3. Step 3: Cross multiply
    10,426,812.10x = 15,640,218.15 × 10,001,659.30
  4. Step 4: Simplify right side
    10,426,812.10x = 156,428,133,313,976.31
  5. Step 5: Solve for x
    x = 156,428,133,313,976.31/10,426,812.10
  6. Step 6: Final answer
    x = 15,002,488.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.