Home / 20,514,336.80-30,734,180.40-16,707,207.20

Finding the Fourth Proportional to 20,514,336.80, 30,734,180.40 and 16,707,207.20

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Solution

The fourth proportional to 20,514,336.80, 30,734,180.40 and 16,707,207.20 is: 25,030,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,336.80 : 30,734,180.40 = 16,707,207.20 : x
  2. Step 2: Convert to fraction form
    20,514,336.80/30,734,180.40 = 16,707,207.20/x
  3. Step 3: Cross multiply
    20,514,336.80x = 30,734,180.40 × 16,707,207.20
  4. Step 4: Simplify right side
    20,514,336.80x = 513,482,320,064,978.81
  5. Step 5: Solve for x
    x = 513,482,320,064,978.81/20,514,336.80
  6. Step 6: Final answer
    x = 25,030,412.88

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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.