Home / 9,162,390.30-12,648,403.49-5,294,163.21

Finding the Fourth Proportional to 9,162,390.30, 12,648,403.49 and 5,294,163.21

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Solution

The fourth proportional to 9,162,390.30, 12,648,403.49 and 5,294,163.21 is: 7,308,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162,390.30 : 12,648,403.49 = 5,294,163.21 : x
  2. Step 2: Convert to fraction form
    9,162,390.30/12,648,403.49 = 5,294,163.21/x
  3. Step 3: Cross multiply
    9,162,390.30x = 12,648,403.49 × 5,294,163.21
  4. Step 4: Simplify right side
    9,162,390.30x = 66,962,712,395,522.78
  5. Step 5: Solve for x
    x = 66,962,712,395,522.78/9,162,390.30
  6. Step 6: Final answer
    x = 7,308,432.65

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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.