Home / 8,663,990.20-11,956,224.67-4,991,557.93

Finding the Fourth Proportional to 8,663,990.20, 11,956,224.67 and 4,991,557.93

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Solution

The fourth proportional to 8,663,990.20, 11,956,224.67 and 4,991,557.93 is: 6,888,302.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,990.20 : 11,956,224.67 = 4,991,557.93 : x
  2. Step 2: Convert to fraction form
    8,663,990.20/11,956,224.67 = 4,991,557.93/x
  3. Step 3: Cross multiply
    8,663,990.20x = 11,956,224.67 × 4,991,557.93
  4. Step 4: Simplify right side
    8,663,990.20x = 59,680,188,022,030.68
  5. Step 5: Solve for x
    x = 59,680,188,022,030.68/8,663,990.20
  6. Step 6: Final answer
    x = 6,888,302.81

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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.