Home / 18,974,911.74-28,464,104.59-5,327,966.17

Finding the Fourth Proportional to 18,974,911.74, 28,464,104.59 and 5,327,966.17

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Solution

The fourth proportional to 18,974,911.74, 28,464,104.59 and 5,327,966.17 is: 7,992,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974,911.74 : 28,464,104.59 = 5,327,966.17 : x
  2. Step 2: Convert to fraction form
    18,974,911.74/28,464,104.59 = 5,327,966.17/x
  3. Step 3: Cross multiply
    18,974,911.74x = 28,464,104.59 × 5,327,966.17
  4. Step 4: Simplify right side
    18,974,911.74x = 151,655,786,314,861.72
  5. Step 5: Solve for x
    x = 151,655,786,314,861.72/18,974,911.74
  6. Step 6: Final answer
    x = 7,992,436.98

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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.