Home / 7,101,528-9,800,143.20-3,882,264

Finding the Fourth Proportional to 7,101,528, 9,800,143.20 and 3,882,264

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Solution

The fourth proportional to 7,101,528, 9,800,143.20 and 3,882,264 is: 5,357,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101,528 : 9,800,143.20 = 3,882,264 : x
  2. Step 2: Convert to fraction form
    7,101,528/9,800,143.20 = 3,882,264/x
  3. Step 3: Cross multiply
    7,101,528x = 9,800,143.20 × 3,882,264
  4. Step 4: Simplify right side
    7,101,528x = 38,046,743,140,204.80
  5. Step 5: Solve for x
    x = 38,046,743,140,204.80/7,101,528
  6. Step 6: Final answer
    x = 5,357,543.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.