Home / 9,999,321.42-13,799,020.62-5,589,040.86

Finding the Fourth Proportional to 9,999,321.42, 13,799,020.62 and 5,589,040.86

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Solution

The fourth proportional to 9,999,321.42, 13,799,020.62 and 5,589,040.86 is: 7,712,852.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,321.42 : 13,799,020.62 = 5,589,040.86 : x
  2. Step 2: Convert to fraction form
    9,999,321.42/13,799,020.62 = 5,589,040.86/x
  3. Step 3: Cross multiply
    9,999,321.42x = 13,799,020.62 × 5,589,040.86
  4. Step 4: Simplify right side
    9,999,321.42x = 77,123,290,073,162.53
  5. Step 5: Solve for x
    x = 77,123,290,073,162.53/9,999,321.42
  6. Step 6: Final answer
    x = 7,712,852.39

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1.5x scale

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.