Home / 19,153,934.10-28,730,901.15-15,752,711.70

Finding the Fourth Proportional to 19,153,934.10, 28,730,901.15 and 15,752,711.70

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Solution

The fourth proportional to 19,153,934.10, 28,730,901.15 and 15,752,711.70 is: 23,629,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,934.10 : 28,730,901.15 = 15,752,711.70 : x
  2. Step 2: Convert to fraction form
    19,153,934.10/28,730,901.15 = 15,752,711.70/x
  3. Step 3: Cross multiply
    19,153,934.10x = 28,730,901.15 × 15,752,711.70
  4. Step 4: Simplify right side
    19,153,934.10x = 452,589,602,697,148.44
  5. Step 5: Solve for x
    x = 452,589,602,697,148.44/19,153,934.10
  6. Step 6: Final answer
    x = 23,629,067.55

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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.