Home / 17,778,872.10-26,668,308.15-12,039,309.30

Finding the Fourth Proportional to 17,778,872.10, 26,668,308.15 and 12,039,309.30

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Solution

The fourth proportional to 17,778,872.10, 26,668,308.15 and 12,039,309.30 is: 18,058,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778,872.10 : 26,668,308.15 = 12,039,309.30 : x
  2. Step 2: Convert to fraction form
    17,778,872.10/26,668,308.15 = 12,039,309.30/x
  3. Step 3: Cross multiply
    17,778,872.10x = 26,668,308.15 × 12,039,309.30
  4. Step 4: Simplify right side
    17,778,872.10x = 321,068,010,325,560.81
  5. Step 5: Solve for x
    x = 321,068,010,325,560.81/17,778,872.10
  6. Step 6: Final answer
    x = 18,058,963.95

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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.