Home / 28,960,851.20-43,457,023.20-11,923,246.40

Finding the Fourth Proportional to 28,960,851.20, 43,457,023.20 and 11,923,246.40

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Solution

The fourth proportional to 28,960,851.20, 43,457,023.20 and 11,923,246.40 is: 17,891,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,960,851.20 : 43,457,023.20 = 11,923,246.40 : x
  2. Step 2: Convert to fraction form
    28,960,851.20/43,457,023.20 = 11,923,246.40/x
  3. Step 3: Cross multiply
    28,960,851.20x = 43,457,023.20 × 11,923,246.40
  4. Step 4: Simplify right side
    28,960,851.20x = 518,148,795,424,116.56
  5. Step 5: Solve for x
    x = 518,148,795,424,116.56/28,960,851.20
  6. Step 6: Final answer
    x = 17,891,352.43

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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.