Home / 13,369,927.68-18,450,575.52-7,863,534.72

Finding the Fourth Proportional to 13,369,927.68, 18,450,575.52 and 7,863,534.72

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Solution

The fourth proportional to 13,369,927.68, 18,450,575.52 and 7,863,534.72 is: 10,851,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,927.68 : 18,450,575.52 = 7,863,534.72 : x
  2. Step 2: Convert to fraction form
    13,369,927.68/18,450,575.52 = 7,863,534.72/x
  3. Step 3: Cross multiply
    13,369,927.68x = 18,450,575.52 × 7,863,534.72
  4. Step 4: Simplify right side
    13,369,927.68x = 145,086,741,205,502.03
  5. Step 5: Solve for x
    x = 145,086,741,205,502.03/13,369,927.68
  6. Step 6: Final answer
    x = 10,851,722.21

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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.