Home / 21,355,892.38-29,473,720.86-12,063,854.26

Finding the Fourth Proportional to 21,355,892.38, 29,473,720.86 and 12,063,854.26

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Solution

The fourth proportional to 21,355,892.38, 29,473,720.86 and 12,063,854.26 is: 16,649,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355,892.38 : 29,473,720.86 = 12,063,854.26 : x
  2. Step 2: Convert to fraction form
    21,355,892.38/29,473,720.86 = 12,063,854.26/x
  3. Step 3: Cross multiply
    21,355,892.38x = 29,473,720.86 × 12,063,854.26
  4. Step 4: Simplify right side
    21,355,892.38x = 355,566,672,954,961.88
  5. Step 5: Solve for x
    x = 355,566,672,954,961.88/21,355,892.38
  6. Step 6: Final answer
    x = 16,649,581.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.