Home / 13,851,001.40-20,776,502.10-5,215,085.15

Finding the Fourth Proportional to 13,851,001.40, 20,776,502.10 and 5,215,085.15

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Solution

The fourth proportional to 13,851,001.40, 20,776,502.10 and 5,215,085.15 is: 7,822,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851,001.40 : 20,776,502.10 = 5,215,085.15 : x
  2. Step 2: Convert to fraction form
    13,851,001.40/20,776,502.10 = 5,215,085.15/x
  3. Step 3: Cross multiply
    13,851,001.40x = 20,776,502.10 × 5,215,085.15
  4. Step 4: Simplify right side
    13,851,001.40x = 108,351,227,570,653.83
  5. Step 5: Solve for x
    x = 108,351,227,570,653.83/13,851,001.40
  6. Step 6: Final answer
    x = 7,822,627.73

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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.