Home / 25,612,861.36-38,421,983.41-8,342,407.12

Finding the Fourth Proportional to 25,612,861.36, 38,421,983.41 and 8,342,407.12

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Solution

The fourth proportional to 25,612,861.36, 38,421,983.41 and 8,342,407.12 is: 12,514,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612,861.36 : 38,421,983.41 = 8,342,407.12 : x
  2. Step 2: Convert to fraction form
    25,612,861.36/38,421,983.41 = 8,342,407.12/x
  3. Step 3: Cross multiply
    25,612,861.36x = 38,421,983.41 × 8,342,407.12
  4. Step 4: Simplify right side
    25,612,861.36x = 320,531,827,964,105.88
  5. Step 5: Solve for x
    x = 320,531,827,964,105.88/25,612,861.36
  6. Step 6: Final answer
    x = 12,514,487.29

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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.