Home / 39,326,892.63-54,274,342.51-21,689,244.65

Finding the Fourth Proportional to 39,326,892.63, 54,274,342.51 and 21,689,244.65

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Solution

The fourth proportional to 39,326,892.63, 54,274,342.51 and 21,689,244.65 is: 29,932,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326,892.63 : 54,274,342.51 = 21,689,244.65 : x
  2. Step 2: Convert to fraction form
    39,326,892.63/54,274,342.51 = 21,689,244.65/x
  3. Step 3: Cross multiply
    39,326,892.63x = 54,274,342.51 × 21,689,244.65
  4. Step 4: Simplify right side
    39,326,892.63x = 1,177,169,493,080,082.50
  5. Step 5: Solve for x
    x = 1,177,169,493,080,082.50/39,326,892.63
  6. Step 6: Final answer
    x = 29,932,939.38

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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.