Home / 22,601,740.43-31,191,467.85-12,812,374.87

Finding the Fourth Proportional to 22,601,740.43, 31,191,467.85 and 12,812,374.87

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Solution

The fourth proportional to 22,601,740.43, 31,191,467.85 and 12,812,374.87 is: 17,681,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601,740.43 : 31,191,467.85 = 12,812,374.87 : x
  2. Step 2: Convert to fraction form
    22,601,740.43/31,191,467.85 = 12,812,374.87/x
  3. Step 3: Cross multiply
    22,601,740.43x = 31,191,467.85 × 12,812,374.87
  4. Step 4: Simplify right side
    22,601,740.43x = 399,636,778,761,774.25
  5. Step 5: Solve for x
    x = 399,636,778,761,774.25/22,601,740.43
  6. Step 6: Final answer
    x = 17,681,681.64

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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.