Home / 25,612,859.11-38,421,980.04-8,342,404.87

Finding the Fourth Proportional to 25,612,859.11, 38,421,980.04 and 8,342,404.87

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Solution

The fourth proportional to 25,612,859.11, 38,421,980.04 and 8,342,404.87 is: 12,514,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612,859.11 : 38,421,980.04 = 8,342,404.87 : x
  2. Step 2: Convert to fraction form
    25,612,859.11/38,421,980.04 = 8,342,404.87/x
  3. Step 3: Cross multiply
    25,612,859.11x = 38,421,980.04 × 8,342,404.87
  4. Step 4: Simplify right side
    25,612,859.11x = 320,531,713,359,026.75
  5. Step 5: Solve for x
    x = 320,531,713,359,026.75/25,612,859.11
  6. Step 6: Final answer
    x = 12,514,483.92

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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.