Home / 40,011,132.34-55,215,418.65-21,676,417.84

Finding the Fourth Proportional to 40,011,132.34, 55,215,418.65 and 21,676,417.84

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Solution

The fourth proportional to 40,011,132.34, 55,215,418.65 and 21,676,417.84 is: 29,913,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,132.34 : 55,215,418.65 = 21,676,417.84 : x
  2. Step 2: Convert to fraction form
    40,011,132.34/55,215,418.65 = 21,676,417.84/x
  3. Step 3: Cross multiply
    40,011,132.34x = 55,215,418.65 × 21,676,417.84
  4. Step 4: Simplify right side
    40,011,132.34x = 1,196,872,485,591,851.75
  5. Step 5: Solve for x
    x = 1,196,872,485,591,851.75/40,011,132.34
  6. Step 6: Final answer
    x = 29,913,486.97

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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.