Home / 7,152,218.55-9,869,921.91-3,889,004.76

Finding the Fourth Proportional to 7,152,218.55, 9,869,921.91 and 3,889,004.76

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Solution

The fourth proportional to 7,152,218.55, 9,869,921.91 and 3,889,004.76 is: 5,366,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,218.55 : 9,869,921.91 = 3,889,004.76 : x
  2. Step 2: Convert to fraction form
    7,152,218.55/9,869,921.91 = 3,889,004.76/x
  3. Step 3: Cross multiply
    7,152,218.55x = 9,869,921.91 × 3,889,004.76
  4. Step 4: Simplify right side
    7,152,218.55x = 38,384,173,288,818.29
  5. Step 5: Solve for x
    x = 38,384,173,288,818.29/7,152,218.55
  6. Step 6: Final answer
    x = 5,366,750.61

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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.