Home / 7,982,214.80-11,970,697.80-2,932,869.20

Finding the Fourth Proportional to 7,982,214.80, 11,970,697.80 and 2,932,869.20

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Solution

The fourth proportional to 7,982,214.80, 11,970,697.80 and 2,932,869.20 is: 4,398,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982,214.80 : 11,970,697.80 = 2,932,869.20 : x
  2. Step 2: Convert to fraction form
    7,982,214.80/11,970,697.80 = 2,932,869.20/x
  3. Step 3: Cross multiply
    7,982,214.80x = 11,970,697.80 × 2,932,869.20
  4. Step 4: Simplify right side
    7,982,214.80x = 35,108,490,880,127.77
  5. Step 5: Solve for x
    x = 35,108,490,880,127.77/7,982,214.80
  6. Step 6: Final answer
    x = 4,398,339.53

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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.