Home / 10,426,071.40-15,639,107.10-9,670,244.20

Finding the Fourth Proportional to 10,426,071.40, 15,639,107.10 and 9,670,244.20

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Solution

The fourth proportional to 10,426,071.40, 15,639,107.10 and 9,670,244.20 is: 14,505,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426,071.40 : 15,639,107.10 = 9,670,244.20 : x
  2. Step 2: Convert to fraction form
    10,426,071.40/15,639,107.10 = 9,670,244.20/x
  3. Step 3: Cross multiply
    10,426,071.40x = 15,639,107.10 × 9,670,244.20
  4. Step 4: Simplify right side
    10,426,071.40x = 151,233,984,726,953.81
  5. Step 5: Solve for x
    x = 151,233,984,726,953.81/10,426,071.40
  6. Step 6: Final answer
    x = 14,505,366.30

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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.