Home / 42,374,681.20-63,562,759.31-11,669,102.79

Finding the Fourth Proportional to 42,374,681.20, 63,562,759.31 and 11,669,102.79

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Solution

The fourth proportional to 42,374,681.20, 63,562,759.31 and 11,669,102.79 is: 17,503,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374,681.20 : 63,562,759.31 = 11,669,102.79 : x
  2. Step 2: Convert to fraction form
    42,374,681.20/63,562,759.31 = 11,669,102.79/x
  3. Step 3: Cross multiply
    42,374,681.20x = 63,562,759.31 × 11,669,102.79
  4. Step 4: Simplify right side
    42,374,681.20x = 741,720,372,004,419.50
  5. Step 5: Solve for x
    x = 741,720,372,004,419.50/42,374,681.20
  6. Step 6: Final answer
    x = 17,503,857.28

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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.