Home / 14,990,705.07-20,687,168.66-8,115,182.07

Finding the Fourth Proportional to 14,990,705.07, 20,687,168.66 and 8,115,182.07

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Solution

The fourth proportional to 14,990,705.07, 20,687,168.66 and 8,115,182.07 is: 11,198,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,705.07 : 20,687,168.66 = 8,115,182.07 : x
  2. Step 2: Convert to fraction form
    14,990,705.07/20,687,168.66 = 8,115,182.07/x
  3. Step 3: Cross multiply
    14,990,705.07x = 20,687,168.66 × 8,115,182.07
  4. Step 4: Simplify right side
    14,990,705.07x = 167,880,140,148,122.03
  5. Step 5: Solve for x
    x = 167,880,140,148,122.03/14,990,705.07
  6. Step 6: Final answer
    x = 11,198,948.91

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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.