Home / 22,581,137.68-31,162,607.50-12,791,578.94

Finding the Fourth Proportional to 22,581,137.68, 31,162,607.50 and 12,791,578.94

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Solution

The fourth proportional to 22,581,137.68, 31,162,607.50 and 12,791,578.94 is: 17,652,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581,137.68 : 31,162,607.50 = 12,791,578.94 : x
  2. Step 2: Convert to fraction form
    22,581,137.68/31,162,607.50 = 12,791,578.94/x
  3. Step 3: Cross multiply
    22,581,137.68x = 31,162,607.50 × 12,791,578.94
  4. Step 4: Simplify right side
    22,581,137.68x = 398,618,953,812,486.06
  5. Step 5: Solve for x
    x = 398,618,953,812,486.06/22,581,137.68
  6. Step 6: Final answer
    x = 17,652,740.06

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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.