Home / 40,309,420.98-55,609,442.55-25,617,213.30

Finding the Fourth Proportional to 40,309,420.98, 55,609,442.55 and 25,617,213.30

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Solution

The fourth proportional to 40,309,420.98, 55,609,442.55 and 25,617,213.30 is: 35,340,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,309,420.98 : 55,609,442.55 = 25,617,213.30 : x
  2. Step 2: Convert to fraction form
    40,309,420.98/55,609,442.55 = 25,617,213.30/x
  3. Step 3: Cross multiply
    40,309,420.98x = 55,609,442.55 × 25,617,213.30
  4. Step 4: Simplify right side
    40,309,420.98x = 1,424,558,951,297,446
  5. Step 5: Solve for x
    x = 1,424,558,951,297,446/40,309,420.98
  6. Step 6: Final answer
    x = 35,340,595.74

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1.5x scale

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.