Home / 21,645,372.60-32,486,429.70-8,875,042.20

Finding the Fourth Proportional to 21,645,372.60, 32,486,429.70 and 8,875,042.20

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Solution

The fourth proportional to 21,645,372.60, 32,486,429.70 and 8,875,042.20 is: 13,320,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,372.60 : 32,486,429.70 = 8,875,042.20 : x
  2. Step 2: Convert to fraction form
    21,645,372.60/32,486,429.70 = 8,875,042.20/x
  3. Step 3: Cross multiply
    21,645,372.60x = 32,486,429.70 × 8,875,042.20
  4. Step 4: Simplify right side
    21,645,372.60x = 288,318,434,514,833.31
  5. Step 5: Solve for x
    x = 288,318,434,514,833.31/21,645,372.60
  6. Step 6: Final answer
    x = 13,320,095.70

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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.