Home / 10,402,481.15-15,603,721.73-9,142,769.15

Finding the Fourth Proportional to 10,402,481.15, 15,603,721.73 and 9,142,769.15

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Solution

The fourth proportional to 10,402,481.15, 15,603,721.73 and 9,142,769.15 is: 13,714,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,481.15 : 15,603,721.73 = 9,142,769.15 : x
  2. Step 2: Convert to fraction form
    10,402,481.15/15,603,721.73 = 9,142,769.15/x
  3. Step 3: Cross multiply
    10,402,481.15x = 15,603,721.73 × 9,142,769.15
  4. Step 4: Simplify right side
    10,402,481.15x = 142,661,225,612,514.78
  5. Step 5: Solve for x
    x = 142,661,225,612,514.78/10,402,481.15
  6. Step 6: Final answer
    x = 13,714,153.73

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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.