Home / 18,454,405.80-27,681,608.70-7,692,725.55

Finding the Fourth Proportional to 18,454,405.80, 27,681,608.70 and 7,692,725.55

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Solution

The fourth proportional to 18,454,405.80, 27,681,608.70 and 7,692,725.55 is: 11,539,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,405.80 : 27,681,608.70 = 7,692,725.55 : x
  2. Step 2: Convert to fraction form
    18,454,405.80/27,681,608.70 = 7,692,725.55/x
  3. Step 3: Cross multiply
    18,454,405.80x = 27,681,608.70 × 7,692,725.55
  4. Step 4: Simplify right side
    18,454,405.80x = 212,947,018,511,592.28
  5. Step 5: Solve for x
    x = 212,947,018,511,592.28/18,454,405.80
  6. Step 6: Final answer
    x = 11,539,088.33

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1.5x scale

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.