Home / 25,728,097.60-38,592,146.40-15,633,812.80

Finding the Fourth Proportional to 25,728,097.60, 38,592,146.40 and 15,633,812.80

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Solution

The fourth proportional to 25,728,097.60, 38,592,146.40 and 15,633,812.80 is: 23,450,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728,097.60 : 38,592,146.40 = 15,633,812.80 : x
  2. Step 2: Convert to fraction form
    25,728,097.60/38,592,146.40 = 15,633,812.80/x
  3. Step 3: Cross multiply
    25,728,097.60x = 38,592,146.40 × 15,633,812.80
  4. Step 4: Simplify right side
    25,728,097.60x = 603,342,392,367,793.88
  5. Step 5: Solve for x
    x = 603,342,392,367,793.88/25,728,097.60
  6. Step 6: Final answer
    x = 23,450,719.20

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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.