Home / 20,514,148.80-30,733,898.40-16,707,019.20

Finding the Fourth Proportional to 20,514,148.80, 30,733,898.40 and 16,707,019.20

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Solution

The fourth proportional to 20,514,148.80, 30,733,898.40 and 16,707,019.20 is: 25,030,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,148.80 : 30,733,898.40 = 16,707,019.20 : x
  2. Step 2: Convert to fraction form
    20,514,148.80/30,733,898.40 = 16,707,019.20/x
  3. Step 3: Cross multiply
    20,514,148.80x = 30,733,898.40 × 16,707,019.20
  4. Step 4: Simplify right side
    20,514,148.80x = 513,471,830,659,649.25
  5. Step 5: Solve for x
    x = 513,471,830,659,649.25/20,514,148.80
  6. Step 6: Final answer
    x = 25,030,130.94

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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.