Home / 42,773,973.98-64,135,331.15-13,615,220.57

Finding the Fourth Proportional to 42,773,973.98, 64,135,331.15 and 13,615,220.57

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Solution

The fourth proportional to 42,773,973.98, 64,135,331.15 and 13,615,220.57 is: 20,414,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773,973.98 : 64,135,331.15 = 13,615,220.57 : x
  2. Step 2: Convert to fraction form
    42,773,973.98/64,135,331.15 = 13,615,220.57/x
  3. Step 3: Cross multiply
    42,773,973.98x = 64,135,331.15 × 13,615,220.57
  4. Step 4: Simplify right side
    42,773,973.98x = 873,216,679,548,489
  5. Step 5: Solve for x
    x = 873,216,679,548,489/42,773,973.98
  6. Step 6: Final answer
    x = 20,414,672.72

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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.