Home / 25,612,857.86-38,421,978.16-8,342,403.62

Finding the Fourth Proportional to 25,612,857.86, 38,421,978.16 and 8,342,403.62

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Solution

The fourth proportional to 25,612,857.86, 38,421,978.16 and 8,342,403.62 is: 12,514,482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612,857.86 : 38,421,978.16 = 8,342,403.62 : x
  2. Step 2: Convert to fraction form
    25,612,857.86/38,421,978.16 = 8,342,403.62/x
  3. Step 3: Cross multiply
    25,612,857.86x = 38,421,978.16 × 8,342,403.62
  4. Step 4: Simplify right side
    25,612,857.86x = 320,531,649,689,544.94
  5. Step 5: Solve for x
    x = 320,531,649,689,544.94/25,612,857.86
  6. Step 6: Final answer
    x = 12,514,482.04

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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.