Home / 19,620,068-29,421,514.38-9,898,699.91

Finding the Fourth Proportional to 19,620,068, 29,421,514.38 and 9,898,699.91

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Solution

The fourth proportional to 19,620,068, 29,421,514.38 and 9,898,699.91 is: 14,843,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620,068 : 29,421,514.38 = 9,898,699.91 : x
  2. Step 2: Convert to fraction form
    19,620,068/29,421,514.38 = 9,898,699.91/x
  3. Step 3: Cross multiply
    19,620,068x = 29,421,514.38 × 9,898,699.91
  4. Step 4: Simplify right side
    19,620,068x = 291,234,741,745,369.69
  5. Step 5: Solve for x
    x = 291,234,741,745,369.69/19,620,068
  6. Step 6: Final answer
    x = 14,843,717.25

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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.