Home / 28,163,775.60-42,272,908.56-13,600,902.24

Finding the Fourth Proportional to 28,163,775.60, 42,272,908.56 and 13,600,902.24

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Solution

The fourth proportional to 28,163,775.60, 42,272,908.56 and 13,600,902.24 is: 20,414,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,163,775.60 : 42,272,908.56 = 13,600,902.24 : x
  2. Step 2: Convert to fraction form
    28,163,775.60/42,272,908.56 = 13,600,902.24/x
  3. Step 3: Cross multiply
    28,163,775.60x = 42,272,908.56 × 13,600,902.24
  4. Step 4: Simplify right side
    28,163,775.60x = 574,949,696,725,019.25
  5. Step 5: Solve for x
    x = 574,949,696,725,019.25/28,163,775.60
  6. Step 6: Final answer
    x = 20,414,510.64

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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.