Home / 12,084,021.10-18,126,031.65-7,306,446.70

Finding the Fourth Proportional to 12,084,021.10, 18,126,031.65 and 7,306,446.70

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Solution

The fourth proportional to 12,084,021.10, 18,126,031.65 and 7,306,446.70 is: 10,959,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,021.10 : 18,126,031.65 = 7,306,446.70 : x
  2. Step 2: Convert to fraction form
    12,084,021.10/18,126,031.65 = 7,306,446.70/x
  3. Step 3: Cross multiply
    12,084,021.10x = 18,126,031.65 × 7,306,446.70
  4. Step 4: Simplify right side
    12,084,021.10x = 132,436,884,133,238.05
  5. Step 5: Solve for x
    x = 132,436,884,133,238.05/12,084,021.10
  6. Step 6: Final answer
    x = 10,959,670.05

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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.