Home / 28,007,048.40-42,010,572.60-25,854,712.35

Finding the Fourth Proportional to 28,007,048.40, 42,010,572.60 and 25,854,712.35

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Solution

The fourth proportional to 28,007,048.40, 42,010,572.60 and 25,854,712.35 is: 38,782,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,048.40 : 42,010,572.60 = 25,854,712.35 : x
  2. Step 2: Convert to fraction form
    28,007,048.40/42,010,572.60 = 25,854,712.35/x
  3. Step 3: Cross multiply
    28,007,048.40x = 42,010,572.60 × 25,854,712.35
  4. Step 4: Simplify right side
    28,007,048.40x = 1,086,171,270,231,791.75
  5. Step 5: Solve for x
    x = 1,086,171,270,231,791.75/28,007,048.40
  6. Step 6: Final answer
    x = 38,782,068.53

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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.