Home / 9,335,421.28-12,882,563.20-5,149,272.28

Finding the Fourth Proportional to 9,335,421.28, 12,882,563.20 and 5,149,272.28

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Solution

The fourth proportional to 9,335,421.28, 12,882,563.20 and 5,149,272.28 is: 7,105,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335,421.28 : 12,882,563.20 = 5,149,272.28 : x
  2. Step 2: Convert to fraction form
    9,335,421.28/12,882,563.20 = 5,149,272.28/x
  3. Step 3: Cross multiply
    9,335,421.28x = 12,882,563.20 × 5,149,272.28
  4. Step 4: Simplify right side
    9,335,421.28x = 66,335,825,581,108.09
  5. Step 5: Solve for x
    x = 66,335,825,581,108.09/9,335,421.28
  6. Step 6: Final answer
    x = 7,105,820.25

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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.