Home / 18,219,139.60-27,328,709.40-4,755,967.60

Finding the Fourth Proportional to 18,219,139.60, 27,328,709.40 and 4,755,967.60

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Solution

The fourth proportional to 18,219,139.60, 27,328,709.40 and 4,755,967.60 is: 7,133,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,139.60 : 27,328,709.40 = 4,755,967.60 : x
  2. Step 2: Convert to fraction form
    18,219,139.60/27,328,709.40 = 4,755,967.60/x
  3. Step 3: Cross multiply
    18,219,139.60x = 27,328,709.40 × 4,755,967.60
  4. Step 4: Simplify right side
    18,219,139.60x = 129,974,456,456,215.42
  5. Step 5: Solve for x
    x = 129,974,456,456,215.42/18,219,139.60
  6. Step 6: Final answer
    x = 7,133,951.40

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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.