Home / 17,085,422.30-25,628,133.45-8,127,470.30

Finding the Fourth Proportional to 17,085,422.30, 25,628,133.45 and 8,127,470.30

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Solution

The fourth proportional to 17,085,422.30, 25,628,133.45 and 8,127,470.30 is: 12,191,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085,422.30 : 25,628,133.45 = 8,127,470.30 : x
  2. Step 2: Convert to fraction form
    17,085,422.30/25,628,133.45 = 8,127,470.30/x
  3. Step 3: Cross multiply
    17,085,422.30x = 25,628,133.45 × 8,127,470.30
  4. Step 4: Simplify right side
    17,085,422.30x = 208,291,893,459,311.53
  5. Step 5: Solve for x
    x = 208,291,893,459,311.53/17,085,422.30
  6. Step 6: Final answer
    x = 12,191,205.45

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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.