Home / 12,081,630.90-18,122,446.35-6,706,859.70

Finding the Fourth Proportional to 12,081,630.90, 18,122,446.35 and 6,706,859.70

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Solution

The fourth proportional to 12,081,630.90, 18,122,446.35 and 6,706,859.70 is: 10,060,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,630.90 : 18,122,446.35 = 6,706,859.70 : x
  2. Step 2: Convert to fraction form
    12,081,630.90/18,122,446.35 = 6,706,859.70/x
  3. Step 3: Cross multiply
    12,081,630.90x = 18,122,446.35 × 6,706,859.70
  4. Step 4: Simplify right side
    12,081,630.90x = 121,544,705,090,227.11
  5. Step 5: Solve for x
    x = 121,544,705,090,227.11/12,081,630.90
  6. Step 6: Final answer
    x = 10,060,289.55

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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.