Home / 21,252,331.68-31,877,298.43-9,418,055.65

Finding the Fourth Proportional to 21,252,331.68, 31,877,298.43 and 9,418,055.65

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Solution

The fourth proportional to 21,252,331.68, 31,877,298.43 and 9,418,055.65 is: 14,126,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252,331.68 : 31,877,298.43 = 9,418,055.65 : x
  2. Step 2: Convert to fraction form
    21,252,331.68/31,877,298.43 = 9,418,055.65/x
  3. Step 3: Cross multiply
    21,252,331.68x = 31,877,298.43 × 9,418,055.65
  4. Step 4: Simplify right side
    21,252,331.68x = 300,222,170,495,471.38
  5. Step 5: Solve for x
    x = 300,222,170,495,471.38/21,252,331.68
  6. Step 6: Final answer
    x = 14,126,552.09

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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.