Home / 7,920,343.05-11,885,512.29-3,371,384.58

Finding the Fourth Proportional to 7,920,343.05, 11,885,512.29 and 3,371,384.58

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Solution

The fourth proportional to 7,920,343.05, 11,885,512.29 and 3,371,384.58 is: 5,059,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,343.05 : 11,885,512.29 = 3,371,384.58 : x
  2. Step 2: Convert to fraction form
    7,920,343.05/11,885,512.29 = 3,371,384.58/x
  3. Step 3: Cross multiply
    7,920,343.05x = 11,885,512.29 × 3,371,384.58
  4. Step 4: Simplify right side
    7,920,343.05x = 40,070,632,859,906.48
  5. Step 5: Solve for x
    x = 40,070,632,859,906.48/7,920,343.05
  6. Step 6: Final answer
    x = 5,059,204.20

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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.