Home / 28,962,097.20-43,443,145.80-15,309,968.40

Finding the Fourth Proportional to 28,962,097.20, 43,443,145.80 and 15,309,968.40

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Solution

The fourth proportional to 28,962,097.20, 43,443,145.80 and 15,309,968.40 is: 22,964,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962,097.20 : 43,443,145.80 = 15,309,968.40 : x
  2. Step 2: Convert to fraction form
    28,962,097.20/43,443,145.80 = 15,309,968.40/x
  3. Step 3: Cross multiply
    28,962,097.20x = 43,443,145.80 × 15,309,968.40
  4. Step 4: Simplify right side
    28,962,097.20x = 665,113,189,394,592.75
  5. Step 5: Solve for x
    x = 665,113,189,394,592.75/28,962,097.20
  6. Step 6: Final answer
    x = 22,964,952.60

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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.