Home / 14,215,511.90-21,323,267.85-13,932,076.70

Finding the Fourth Proportional to 14,215,511.90, 21,323,267.85 and 13,932,076.70

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Solution

The fourth proportional to 14,215,511.90, 21,323,267.85 and 13,932,076.70 is: 20,898,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,511.90 : 21,323,267.85 = 13,932,076.70 : x
  2. Step 2: Convert to fraction form
    14,215,511.90/21,323,267.85 = 13,932,076.70/x
  3. Step 3: Cross multiply
    14,215,511.90x = 21,323,267.85 × 13,932,076.70
  4. Step 4: Simplify right side
    14,215,511.90x = 297,077,403,180,844.12
  5. Step 5: Solve for x
    x = 297,077,403,180,844.12/14,215,511.90
  6. Step 6: Final answer
    x = 20,898,115.05

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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.