Home / 8,713,805.40-13,070,708.10-6,306,355.80

Finding the Fourth Proportional to 8,713,805.40, 13,070,708.10 and 6,306,355.80

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Solution

The fourth proportional to 8,713,805.40, 13,070,708.10 and 6,306,355.80 is: 9,459,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713,805.40 : 13,070,708.10 = 6,306,355.80 : x
  2. Step 2: Convert to fraction form
    8,713,805.40/13,070,708.10 = 6,306,355.80/x
  3. Step 3: Cross multiply
    8,713,805.40x = 13,070,708.10 × 6,306,355.80
  4. Step 4: Simplify right side
    8,713,805.40x = 82,428,535,836,541.97
  5. Step 5: Solve for x
    x = 82,428,535,836,541.97/8,713,805.40
  6. Step 6: Final answer
    x = 9,459,533.70

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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.