Home / 13,609,374.30-20,414,061.45-11,761,796.70

Finding the Fourth Proportional to 13,609,374.30, 20,414,061.45 and 11,761,796.70

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Solution

The fourth proportional to 13,609,374.30, 20,414,061.45 and 11,761,796.70 is: 17,642,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,374.30 : 20,414,061.45 = 11,761,796.70 : x
  2. Step 2: Convert to fraction form
    13,609,374.30/20,414,061.45 = 11,761,796.70/x
  3. Step 3: Cross multiply
    13,609,374.30x = 20,414,061.45 × 11,761,796.70
  4. Step 4: Simplify right side
    13,609,374.30x = 240,106,040,596,207.19
  5. Step 5: Solve for x
    x = 240,106,040,596,207.19/13,609,374.30
  6. Step 6: Final answer
    x = 17,642,695.05

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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.