Home / 7,889,373.85-11,833,142.20-2,131,833.91

Finding the Fourth Proportional to 7,889,373.85, 11,833,142.20 and 2,131,833.91

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Solution

The fourth proportional to 7,889,373.85, 11,833,142.20 and 2,131,833.91 is: 3,197,502.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,373.85 : 11,833,142.20 = 2,131,833.91 : x
  2. Step 2: Convert to fraction form
    7,889,373.85/11,833,142.20 = 2,131,833.91/x
  3. Step 3: Cross multiply
    7,889,373.85x = 11,833,142.20 × 2,131,833.91
  4. Step 4: Simplify right side
    7,889,373.85x = 25,226,293,803,812.00
  5. Step 5: Solve for x
    x = 25,226,293,803,812.00/7,889,373.85
  6. Step 6: Final answer
    x = 3,197,502.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.