Home / 25,166,012.80-37,749,019.20-21,386,876.80

Finding the Fourth Proportional to 25,166,012.80, 37,749,019.20 and 21,386,876.80

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Solution

The fourth proportional to 25,166,012.80, 37,749,019.20 and 21,386,876.80 is: 32,080,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,166,012.80 : 37,749,019.20 = 21,386,876.80 : x
  2. Step 2: Convert to fraction form
    25,166,012.80/37,749,019.20 = 21,386,876.80/x
  3. Step 3: Cross multiply
    25,166,012.80x = 37,749,019.20 × 21,386,876.80
  4. Step 4: Simplify right side
    25,166,012.80x = 807,333,622,951,234.62
  5. Step 5: Solve for x
    x = 807,333,622,951,234.62/25,166,012.80
  6. Step 6: Final answer
    x = 32,080,315.20

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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.