Home / 9,259,156.86-12,780,990.45-7,537,288.02

Finding the Fourth Proportional to 9,259,156.86, 12,780,990.45 and 7,537,288.02

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Solution

The fourth proportional to 9,259,156.86, 12,780,990.45 and 7,537,288.02 is: 10,404,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259,156.86 : 12,780,990.45 = 7,537,288.02 : x
  2. Step 2: Convert to fraction form
    9,259,156.86/12,780,990.45 = 7,537,288.02/x
  3. Step 3: Cross multiply
    9,259,156.86x = 12,780,990.45 × 7,537,288.02
  4. Step 4: Simplify right side
    9,259,156.86x = 96,334,006,202,519.39
  5. Step 5: Solve for x
    x = 96,334,006,202,519.39/9,259,156.86
  6. Step 6: Final answer
    x = 10,404,187.73

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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.