Home / 20,297,690.34-30,472,517.28-17,437,356.78

Finding the Fourth Proportional to 20,297,690.34, 30,472,517.28 and 17,437,356.78

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Solution

The fourth proportional to 20,297,690.34, 30,472,517.28 and 17,437,356.78 is: 26,178,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,690.34 : 30,472,517.28 = 17,437,356.78 : x
  2. Step 2: Convert to fraction form
    20,297,690.34/30,472,517.28 = 17,437,356.78/x
  3. Step 3: Cross multiply
    20,297,690.34x = 30,472,517.28 × 17,437,356.78
  4. Step 4: Simplify right side
    20,297,690.34x = 531,360,155,796,075.19
  5. Step 5: Solve for x
    x = 531,360,155,796,075.19/20,297,690.34
  6. Step 6: Final answer
    x = 26,178,355.61

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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.