Home / 22,581,136.68-31,162,606.12-12,791,577.94

Finding the Fourth Proportional to 22,581,136.68, 31,162,606.12 and 12,791,577.94

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Solution

The fourth proportional to 22,581,136.68, 31,162,606.12 and 12,791,577.94 is: 17,652,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581,136.68 : 31,162,606.12 = 12,791,577.94 : x
  2. Step 2: Convert to fraction form
    22,581,136.68/31,162,606.12 = 12,791,577.94/x
  3. Step 3: Cross multiply
    22,581,136.68x = 31,162,606.12 × 12,791,577.94
  4. Step 4: Simplify right side
    22,581,136.68x = 398,618,904,997,501
  5. Step 5: Solve for x
    x = 398,618,904,997,501/22,581,136.68
  6. Step 6: Final answer
    x = 17,652,738.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.