Home / 20,757,424.60-31,136,136.90-5,611,356.10

Finding the Fourth Proportional to 20,757,424.60, 31,136,136.90 and 5,611,356.10

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Solution

The fourth proportional to 20,757,424.60, 31,136,136.90 and 5,611,356.10 is: 8,417,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,424.60 : 31,136,136.90 = 5,611,356.10 : x
  2. Step 2: Convert to fraction form
    20,757,424.60/31,136,136.90 = 5,611,356.10/x
  3. Step 3: Cross multiply
    20,757,424.60x = 31,136,136.90 × 5,611,356.10
  4. Step 4: Simplify right side
    20,757,424.60x = 174,715,951,724,250.06
  5. Step 5: Solve for x
    x = 174,715,951,724,250.06/20,757,424.60
  6. Step 6: Final answer
    x = 8,417,034.15

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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.