Home / 12,668,637.15-17,482,742.60-6,867,400.95

Finding the Fourth Proportional to 12,668,637.15, 17,482,742.60 and 6,867,400.95

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Solution

The fourth proportional to 12,668,637.15, 17,482,742.60 and 6,867,400.95 is: 9,477,025.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,637.15 : 17,482,742.60 = 6,867,400.95 : x
  2. Step 2: Convert to fraction form
    12,668,637.15/17,482,742.60 = 6,867,400.95/x
  3. Step 3: Cross multiply
    12,668,637.15x = 17,482,742.60 × 6,867,400.95
  4. Step 4: Simplify right side
    12,668,637.15x = 120,061,003,105,508.45
  5. Step 5: Solve for x
    x = 120,061,003,105,508.45/12,668,637.15
  6. Step 6: Final answer
    x = 9,477,025.96

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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.