Home / 14,990,741.46-20,687,290.32-8,115,223.50

Finding the Fourth Proportional to 14,990,741.46, 20,687,290.32 and 8,115,223.50

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Solution

The fourth proportional to 14,990,741.46, 20,687,290.32 and 8,115,223.50 is: 11,199,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,741.46 : 20,687,290.32 = 8,115,223.50 : x
  2. Step 2: Convert to fraction form
    14,990,741.46/20,687,290.32 = 8,115,223.50/x
  3. Step 3: Cross multiply
    14,990,741.46x = 20,687,290.32 × 8,115,223.50
  4. Step 4: Simplify right side
    14,990,741.46x = 167,881,984,556,186.53
  5. Step 5: Solve for x
    x = 167,881,984,556,186.53/14,990,741.46
  6. Step 6: Final answer
    x = 11,199,044.76

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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.