Home / 20,514,854.50-30,722,967.72-11,734,521.52

Finding the Fourth Proportional to 20,514,854.50, 30,722,967.72 and 11,734,521.52

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Solution

The fourth proportional to 20,514,854.50, 30,722,967.72 and 11,734,521.52 is: 17,573,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,854.50 : 30,722,967.72 = 11,734,521.52 : x
  2. Step 2: Convert to fraction form
    20,514,854.50/30,722,967.72 = 11,734,521.52/x
  3. Step 3: Cross multiply
    20,514,854.50x = 30,722,967.72 × 11,734,521.52
  4. Step 4: Simplify right side
    20,514,854.50x = 360,519,325,868,605.31
  5. Step 5: Solve for x
    x = 360,519,325,868,605.31/20,514,854.50
  6. Step 6: Final answer
    x = 17,573,574.60

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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.