Home / 9,218,663.28-12,721,757.46-5,088,696.84

Finding the Fourth Proportional to 9,218,663.28, 12,721,757.46 and 5,088,696.84

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Solution

The fourth proportional to 9,218,663.28, 12,721,757.46 and 5,088,696.84 is: 7,022,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,663.28 : 12,721,757.46 = 5,088,696.84 : x
  2. Step 2: Convert to fraction form
    9,218,663.28/12,721,757.46 = 5,088,696.84/x
  3. Step 3: Cross multiply
    9,218,663.28x = 12,721,757.46 × 5,088,696.84
  4. Step 4: Simplify right side
    9,218,663.28x = 64,737,166,985,948.43
  5. Step 5: Solve for x
    x = 64,737,166,985,948.43/9,218,663.28
  6. Step 6: Final answer
    x = 7,022,402.82

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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.