Home / 10,531,807.80-15,797,711.70-8,941,421.40

Finding the Fourth Proportional to 10,531,807.80, 15,797,711.70 and 8,941,421.40

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Solution

The fourth proportional to 10,531,807.80, 15,797,711.70 and 8,941,421.40 is: 13,412,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,807.80 : 15,797,711.70 = 8,941,421.40 : x
  2. Step 2: Convert to fraction form
    10,531,807.80/15,797,711.70 = 8,941,421.40/x
  3. Step 3: Cross multiply
    10,531,807.80x = 15,797,711.70 × 8,941,421.40
  4. Step 4: Simplify right side
    10,531,807.80x = 141,253,997,465,410.38
  5. Step 5: Solve for x
    x = 141,253,997,465,410.38/10,531,807.80
  6. Step 6: Final answer
    x = 13,412,132.10

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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.