Home / 21,039,976.10-31,559,964.15-12,082,024.10

Finding the Fourth Proportional to 21,039,976.10, 31,559,964.15 and 12,082,024.10

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Solution

The fourth proportional to 21,039,976.10, 31,559,964.15 and 12,082,024.10 is: 18,123,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,976.10 : 31,559,964.15 = 12,082,024.10 : x
  2. Step 2: Convert to fraction form
    21,039,976.10/31,559,964.15 = 12,082,024.10/x
  3. Step 3: Cross multiply
    21,039,976.10x = 31,559,964.15 × 12,082,024.10
  4. Step 4: Simplify right side
    21,039,976.10x = 381,308,247,455,436
  5. Step 5: Solve for x
    x = 381,308,247,455,436/21,039,976.10
  6. Step 6: Final answer
    x = 18,123,036.15

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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.