Home / 12,668,639.15-17,482,745.36-6,867,402.95

Finding the Fourth Proportional to 12,668,639.15, 17,482,745.36 and 6,867,402.95

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Solution

The fourth proportional to 12,668,639.15, 17,482,745.36 and 6,867,402.95 is: 9,477,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,639.15 : 17,482,745.36 = 6,867,402.95 : x
  2. Step 2: Convert to fraction form
    12,668,639.15/17,482,745.36 = 6,867,402.95/x
  3. Step 3: Cross multiply
    12,668,639.15x = 17,482,745.36 × 6,867,402.95
  4. Step 4: Simplify right side
    12,668,639.15x = 120,061,057,059,362.81
  5. Step 5: Solve for x
    x = 120,061,057,059,362.81/12,668,639.15
  6. Step 6: Final answer
    x = 9,477,028.72

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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.