Home / 20,752,370.51-31,175,794.96-15,012,807.71

Finding the Fourth Proportional to 20,752,370.51, 31,175,794.96 and 15,012,807.71

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Solution

The fourth proportional to 20,752,370.51, 31,175,794.96 and 15,012,807.71 is: 22,553,385.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,370.51 : 31,175,794.96 = 15,012,807.71 : x
  2. Step 2: Convert to fraction form
    20,752,370.51/31,175,794.96 = 15,012,807.71/x
  3. Step 3: Cross multiply
    20,752,370.51x = 31,175,794.96 × 15,012,807.71
  4. Step 4: Simplify right side
    20,752,370.51x = 468,036,214,747,456.12
  5. Step 5: Solve for x
    x = 468,036,214,747,456.12/20,752,370.51
  6. Step 6: Final answer
    x = 22,553,385.63

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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.