Home / 42,657,909.60-63,986,864.40-10,745,205.60

Finding the Fourth Proportional to 42,657,909.60, 63,986,864.40 and 10,745,205.60

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Solution

The fourth proportional to 42,657,909.60, 63,986,864.40 and 10,745,205.60 is: 16,117,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657,909.60 : 63,986,864.40 = 10,745,205.60 : x
  2. Step 2: Convert to fraction form
    42,657,909.60/63,986,864.40 = 10,745,205.60/x
  3. Step 3: Cross multiply
    42,657,909.60x = 63,986,864.40 × 10,745,205.60
  4. Step 4: Simplify right side
    42,657,909.60x = 687,552,013,677,320.62
  5. Step 5: Solve for x
    x = 687,552,013,677,320.62/42,657,909.60
  6. Step 6: Final answer
    x = 16,117,808.40

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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.