Home / 12,648,427.40-17,454,825.86-6,847,204.84

Finding the Fourth Proportional to 12,648,427.40, 17,454,825.86 and 6,847,204.84

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Solution

The fourth proportional to 12,648,427.40, 17,454,825.86 and 6,847,204.84 is: 9,449,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,427.40 : 17,454,825.86 = 6,847,204.84 : x
  2. Step 2: Convert to fraction form
    12,648,427.40/17,454,825.86 = 6,847,204.84/x
  3. Step 3: Cross multiply
    12,648,427.40x = 17,454,825.86 × 6,847,204.84
  4. Step 4: Simplify right side
    12,648,427.40x = 119,516,768,109,949.16
  5. Step 5: Solve for x
    x = 119,516,768,109,949.16/12,648,427.40
  6. Step 6: Final answer
    x = 9,449,140.54

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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.