Home / 8,240,192.70-12,335,405.85-7,244,864.70

Finding the Fourth Proportional to 8,240,192.70, 12,335,405.85 and 7,244,864.70

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Solution

The fourth proportional to 8,240,192.70, 12,335,405.85 and 7,244,864.70 is: 10,845,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240,192.70 : 12,335,405.85 = 7,244,864.70 : x
  2. Step 2: Convert to fraction form
    8,240,192.70/12,335,405.85 = 7,244,864.70/x
  3. Step 3: Cross multiply
    8,240,192.70x = 12,335,405.85 × 7,244,864.70
  4. Step 4: Simplify right side
    8,240,192.70x = 89,368,346,402,838.50
  5. Step 5: Solve for x
    x = 89,368,346,402,838.50/8,240,192.70
  6. Step 6: Final answer
    x = 10,845,419.48

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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.