Home / 20,763,927.40-31,145,891.10-15,024,364.60

Finding the Fourth Proportional to 20,763,927.40, 31,145,891.10 and 15,024,364.60

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Solution

The fourth proportional to 20,763,927.40, 31,145,891.10 and 15,024,364.60 is: 22,536,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,927.40 : 31,145,891.10 = 15,024,364.60 : x
  2. Step 2: Convert to fraction form
    20,763,927.40/31,145,891.10 = 15,024,364.60/x
  3. Step 3: Cross multiply
    20,763,927.40x = 31,145,891.10 × 15,024,364.60
  4. Step 4: Simplify right side
    20,763,927.40x = 467,947,223,678,295.06
  5. Step 5: Solve for x
    x = 467,947,223,678,295.06/20,763,927.40
  6. Step 6: Final answer
    x = 22,536,546.90

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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.