Home / 42,629,514.91-63,952,160.90-13,490,687.80

Finding the Fourth Proportional to 42,629,514.91, 63,952,160.90 and 13,490,687.80

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Solution

The fourth proportional to 42,629,514.91, 63,952,160.90 and 13,490,687.80 is: 20,238,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629,514.91 : 63,952,160.90 = 13,490,687.80 : x
  2. Step 2: Convert to fraction form
    42,629,514.91/63,952,160.90 = 13,490,687.80/x
  3. Step 3: Cross multiply
    42,629,514.91x = 63,952,160.90 × 13,490,687.80
  4. Step 4: Simplify right side
    42,629,514.91x = 862,758,636,925,638.88
  5. Step 5: Solve for x
    x = 862,758,636,925,638.88/42,629,514.91
  6. Step 6: Final answer
    x = 20,238,528.14

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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.