Home / 10,502,957.40-15,754,436.10-9,681,811.80

Finding the Fourth Proportional to 10,502,957.40, 15,754,436.10 and 9,681,811.80

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Solution

The fourth proportional to 10,502,957.40, 15,754,436.10 and 9,681,811.80 is: 14,522,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,957.40 : 15,754,436.10 = 9,681,811.80 : x
  2. Step 2: Convert to fraction form
    10,502,957.40/15,754,436.10 = 9,681,811.80/x
  3. Step 3: Cross multiply
    10,502,957.40x = 15,754,436.10 × 9,681,811.80
  4. Step 4: Simplify right side
    10,502,957.40x = 152,531,485,335,326
  5. Step 5: Solve for x
    x = 152,531,485,335,326/10,502,957.40
  6. Step 6: Final answer
    x = 14,522,717.70

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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.