Home / 21,723,631.12-29,975,278.44-12,554,503.12

Finding the Fourth Proportional to 21,723,631.12, 29,975,278.44 and 12,554,503.12

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Solution

The fourth proportional to 21,723,631.12, 29,975,278.44 and 12,554,503.12 is: 17,323,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,631.12 : 29,975,278.44 = 12,554,503.12 : x
  2. Step 2: Convert to fraction form
    21,723,631.12/29,975,278.44 = 12,554,503.12/x
  3. Step 3: Cross multiply
    21,723,631.12x = 29,975,278.44 × 12,554,503.12
  4. Step 4: Simplify right side
    21,723,631.12x = 376,324,726,697,848.75
  5. Step 5: Solve for x
    x = 376,324,726,697,848.75/21,723,631.12
  6. Step 6: Final answer
    x = 17,323,288.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.