Home / 18,454,411.80-27,681,617.70-7,692,731.55

Finding the Fourth Proportional to 18,454,411.80, 27,681,617.70 and 7,692,731.55

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Solution

The fourth proportional to 18,454,411.80, 27,681,617.70 and 7,692,731.55 is: 11,539,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,411.80 : 27,681,617.70 = 7,692,731.55 : x
  2. Step 2: Convert to fraction form
    18,454,411.80/27,681,617.70 = 7,692,731.55/x
  3. Step 3: Cross multiply
    18,454,411.80x = 27,681,617.70 × 7,692,731.55
  4. Step 4: Simplify right side
    18,454,411.80x = 212,947,253,835,828.44
  5. Step 5: Solve for x
    x = 212,947,253,835,828.44/18,454,411.80
  6. Step 6: Final answer
    x = 11,539,097.33

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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.