Home / 18,909,007.60-28,330,333.80-15,524,892.40

Finding the Fourth Proportional to 18,909,007.60, 28,330,333.80 and 15,524,892.40

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Solution

The fourth proportional to 18,909,007.60, 28,330,333.80 and 15,524,892.40 is: 23,260,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909,007.60 : 28,330,333.80 = 15,524,892.40 : x
  2. Step 2: Convert to fraction form
    18,909,007.60/28,330,333.80 = 15,524,892.40/x
  3. Step 3: Cross multiply
    18,909,007.60x = 28,330,333.80 × 15,524,892.40
  4. Step 4: Simplify right side
    18,909,007.60x = 439,825,383,901,083.12
  5. Step 5: Solve for x
    x = 439,825,383,901,083.12/18,909,007.60
  6. Step 6: Final answer
    x = 23,260,098.74

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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.