Home / 28,633,520.25-42,957,005.40-9,464,275.25

Finding the Fourth Proportional to 28,633,520.25, 42,957,005.40 and 9,464,275.25

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Solution

The fourth proportional to 28,633,520.25, 42,957,005.40 and 9,464,275.25 is: 14,198,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633,520.25 : 42,957,005.40 = 9,464,275.25 : x
  2. Step 2: Convert to fraction form
    28,633,520.25/42,957,005.40 = 9,464,275.25/x
  3. Step 3: Cross multiply
    28,633,520.25x = 42,957,005.40 × 9,464,275.25
  4. Step 4: Simplify right side
    28,633,520.25x = 406,556,923,128,728.81
  5. Step 5: Solve for x
    x = 406,556,923,128,728.81/28,633,520.25
  6. Step 6: Final answer
    x = 14,198,635.71

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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.