Home / 13,564,080.18-18,717,344.73-7,761,531.78

Finding the Fourth Proportional to 13,564,080.18, 18,717,344.73 and 7,761,531.78

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Solution

The fourth proportional to 13,564,080.18, 18,717,344.73 and 7,761,531.78 is: 10,710,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,080.18 : 18,717,344.73 = 7,761,531.78 : x
  2. Step 2: Convert to fraction form
    13,564,080.18/18,717,344.73 = 7,761,531.78/x
  3. Step 3: Cross multiply
    13,564,080.18x = 18,717,344.73 × 7,761,531.78
  4. Step 4: Simplify right side
    13,564,080.18x = 145,275,265,959,110.53
  5. Step 5: Solve for x
    x = 145,275,265,959,110.53/13,564,080.18
  6. Step 6: Final answer
    x = 10,710,292.48

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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.