Home / 9,218,597.15-12,721,666.34-5,088,630.65

Finding the Fourth Proportional to 9,218,597.15, 12,721,666.34 and 5,088,630.65

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Solution

The fourth proportional to 9,218,597.15, 12,721,666.34 and 5,088,630.65 is: 7,022,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218,597.15 : 12,721,666.34 = 5,088,630.65 : x
  2. Step 2: Convert to fraction form
    9,218,597.15/12,721,666.34 = 5,088,630.65/x
  3. Step 3: Cross multiply
    9,218,597.15x = 12,721,666.34 × 5,088,630.65
  4. Step 4: Simplify right side
    9,218,597.15x = 64,735,861,205,910.55
  5. Step 5: Solve for x
    x = 64,735,861,205,910.55/9,218,597.15
  6. Step 6: Final answer
    x = 7,022,311.54

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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.