Home / 40,514,637.72-55,910,193.12-21,929,774.16

Finding the Fourth Proportional to 40,514,637.72, 55,910,193.12 and 21,929,774.16

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Solution

The fourth proportional to 40,514,637.72, 55,910,193.12 and 21,929,774.16 is: 30,263,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,514,637.72 : 55,910,193.12 = 21,929,774.16 : x
  2. Step 2: Convert to fraction form
    40,514,637.72/55,910,193.12 = 21,929,774.16/x
  3. Step 3: Cross multiply
    40,514,637.72x = 55,910,193.12 × 21,929,774.16
  4. Step 4: Simplify right side
    40,514,637.72x = 1,226,097,908,363,585.75
  5. Step 5: Solve for x
    x = 1,226,097,908,363,585.75/40,514,637.72
  6. Step 6: Final answer
    x = 30,263,084.59

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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.