Home / 10,931,681.60-16,407,472.92-5,818,404.32

Finding the Fourth Proportional to 10,931,681.60, 16,407,472.92 and 5,818,404.32

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Solution

The fourth proportional to 10,931,681.60, 16,407,472.92 and 5,818,404.32 is: 8,732,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,681.60 : 16,407,472.92 = 5,818,404.32 : x
  2. Step 2: Convert to fraction form
    10,931,681.60/16,407,472.92 = 5,818,404.32/x
  3. Step 3: Cross multiply
    10,931,681.60x = 16,407,472.92 × 5,818,404.32
  4. Step 4: Simplify right side
    10,931,681.60x = 95,465,311,318,011.02
  5. Step 5: Solve for x
    x = 95,465,311,318,011.02/10,931,681.60
  6. Step 6: Final answer
    x = 8,732,902.66

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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.