Home / 20,763,930.90-31,145,896.35-15,024,368.10

Finding the Fourth Proportional to 20,763,930.90, 31,145,896.35 and 15,024,368.10

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Solution

The fourth proportional to 20,763,930.90, 31,145,896.35 and 15,024,368.10 is: 22,536,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,930.90 : 31,145,896.35 = 15,024,368.10 : x
  2. Step 2: Convert to fraction form
    20,763,930.90/31,145,896.35 = 15,024,368.10/x
  3. Step 3: Cross multiply
    20,763,930.90x = 31,145,896.35 × 15,024,368.10
  4. Step 4: Simplify right side
    20,763,930.90x = 467,947,411,566,846.44
  5. Step 5: Solve for x
    x = 467,947,411,566,846.44/20,763,930.90
  6. Step 6: Final answer
    x = 22,536,552.15

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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.