Home / 9,128,806.85-12,597,908.34-4,998,772.19

Finding the Fourth Proportional to 9,128,806.85, 12,597,908.34 and 4,998,772.19

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Solution

The fourth proportional to 9,128,806.85, 12,597,908.34 and 4,998,772.19 is: 6,898,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,806.85 : 12,597,908.34 = 4,998,772.19 : x
  2. Step 2: Convert to fraction form
    9,128,806.85/12,597,908.34 = 4,998,772.19/x
  3. Step 3: Cross multiply
    9,128,806.85x = 12,597,908.34 × 4,998,772.19
  4. Step 4: Simplify right side
    9,128,806.85x = 62,974,073,774,177.66
  5. Step 5: Solve for x
    x = 62,974,073,774,177.66/9,128,806.85
  6. Step 6: Final answer
    x = 6,898,390.43

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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.