Home / 15,051,373.52-20,770,879.32-8,175,860.72

Finding the Fourth Proportional to 15,051,373.52, 20,770,879.32 and 8,175,860.72

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Solution

The fourth proportional to 15,051,373.52, 20,770,879.32 and 8,175,860.72 is: 11,282,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,373.52 : 20,770,879.32 = 8,175,860.72 : x
  2. Step 2: Convert to fraction form
    15,051,373.52/20,770,879.32 = 8,175,860.72/x
  3. Step 3: Cross multiply
    15,051,373.52x = 20,770,879.32 × 8,175,860.72
  4. Step 4: Simplify right side
    15,051,373.52x = 169,819,816,352,248.31
  5. Step 5: Solve for x
    x = 169,819,816,352,248.31/15,051,373.52
  6. Step 6: Final answer
    x = 11,282,679.03

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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.