Home / 28,679,812.80-43,019,719.20-25,544,529.60

Finding the Fourth Proportional to 28,679,812.80, 43,019,719.20 and 25,544,529.60

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Solution

The fourth proportional to 28,679,812.80, 43,019,719.20 and 25,544,529.60 is: 38,316,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,679,812.80 : 43,019,719.20 = 25,544,529.60 : x
  2. Step 2: Convert to fraction form
    28,679,812.80/43,019,719.20 = 25,544,529.60/x
  3. Step 3: Cross multiply
    28,679,812.80x = 43,019,719.20 × 25,544,529.60
  4. Step 4: Simplify right side
    28,679,812.80x = 1,098,918,490,488,088.50
  5. Step 5: Solve for x
    x = 1,098,918,490,488,088.50/28,679,812.80
  6. Step 6: Final answer
    x = 38,316,794.40

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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.