Home / 26,606,421.20-39,909,631.80-20,229,129.20

Finding the Fourth Proportional to 26,606,421.20, 39,909,631.80 and 20,229,129.20

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Solution

The fourth proportional to 26,606,421.20, 39,909,631.80 and 20,229,129.20 is: 30,343,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,606,421.20 : 39,909,631.80 = 20,229,129.20 : x
  2. Step 2: Convert to fraction form
    26,606,421.20/39,909,631.80 = 20,229,129.20/x
  3. Step 3: Cross multiply
    26,606,421.20x = 39,909,631.80 × 20,229,129.20
  4. Step 4: Simplify right side
    26,606,421.20x = 807,337,098,006,628.50
  5. Step 5: Solve for x
    x = 807,337,098,006,628.50/26,606,421.20
  6. Step 6: Final answer
    x = 30,343,693.80

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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.