Home / 9,218,664.28-12,721,758.84-5,088,697.84

Finding the Fourth Proportional to 9,218,664.28, 12,721,758.84 and 5,088,697.84

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Solution

The fourth proportional to 9,218,664.28, 12,721,758.84 and 5,088,697.84 is: 7,022,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,664.28 : 12,721,758.84 = 5,088,697.84 : x
  2. Step 2: Convert to fraction form
    9,218,664.28/12,721,758.84 = 5,088,697.84/x
  3. Step 3: Cross multiply
    9,218,664.28x = 12,721,758.84 × 5,088,697.84
  4. Step 4: Simplify right side
    9,218,664.28x = 64,737,186,730,108.91
  5. Step 5: Solve for x
    x = 64,737,186,730,108.91/9,218,664.28
  6. Step 6: Final answer
    x = 7,022,404.20

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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.