Home / 20,063,511.30-30,104,598.15-10,489,700.10

Finding the Fourth Proportional to 20,063,511.30, 30,104,598.15 and 10,489,700.10

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Solution

The fourth proportional to 20,063,511.30, 30,104,598.15 and 10,489,700.10 is: 15,739,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,511.30 : 30,104,598.15 = 10,489,700.10 : x
  2. Step 2: Convert to fraction form
    20,063,511.30/30,104,598.15 = 10,489,700.10/x
  3. Step 3: Cross multiply
    20,063,511.30x = 30,104,598.15 × 10,489,700.10
  4. Step 4: Simplify right side
    20,063,511.30x = 315,788,206,224,514.81
  5. Step 5: Solve for x
    x = 315,788,206,224,514.81/20,063,511.30
  6. Step 6: Final answer
    x = 15,739,428.73

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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.