Home / 18,711,264.20-28,066,896.30-8,481,024.95

Finding the Fourth Proportional to 18,711,264.20, 28,066,896.30 and 8,481,024.95

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Solution

The fourth proportional to 18,711,264.20, 28,066,896.30 and 8,481,024.95 is: 12,721,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,264.20 : 28,066,896.30 = 8,481,024.95 : x
  2. Step 2: Convert to fraction form
    18,711,264.20/28,066,896.30 = 8,481,024.95/x
  3. Step 3: Cross multiply
    18,711,264.20x = 28,066,896.30 × 8,481,024.95
  4. Step 4: Simplify right side
    18,711,264.20x = 238,036,047,789,362.66
  5. Step 5: Solve for x
    x = 238,036,047,789,362.66/18,711,264.20
  6. Step 6: Final answer
    x = 12,721,537.43

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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.