Home / 7,147,934.43-9,864,225.68-3,884,749.32

Finding the Fourth Proportional to 7,147,934.43, 9,864,225.68 and 3,884,749.32

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Solution

The fourth proportional to 7,147,934.43, 9,864,225.68 and 3,884,749.32 is: 5,360,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,934.43 : 9,864,225.68 = 3,884,749.32 : x
  2. Step 2: Convert to fraction form
    7,147,934.43/9,864,225.68 = 3,884,749.32/x
  3. Step 3: Cross multiply
    7,147,934.43x = 9,864,225.68 × 3,884,749.32
  4. Step 4: Simplify right side
    7,147,934.43x = 38,320,044,002,706.53
  5. Step 5: Solve for x
    x = 38,320,044,002,706.53/7,147,934.43
  6. Step 6: Final answer
    x = 5,360,995.46

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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.