Home / 8,538,330.43-12,807,682.14-3,423,169.18

Finding the Fourth Proportional to 8,538,330.43, 12,807,682.14 and 3,423,169.18

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Solution

The fourth proportional to 8,538,330.43, 12,807,682.14 and 3,423,169.18 is: 5,134,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,330.43 : 12,807,682.14 = 3,423,169.18 : x
  2. Step 2: Convert to fraction form
    8,538,330.43/12,807,682.14 = 3,423,169.18/x
  3. Step 3: Cross multiply
    8,538,330.43x = 12,807,682.14 × 3,423,169.18
  4. Step 4: Simplify right side
    8,538,330.43x = 43,842,862,768,884.45
  5. Step 5: Solve for x
    x = 43,842,862,768,884.45/8,538,330.43
  6. Step 6: Final answer
    x = 5,134,828.54

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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.