Home / 9,189,079.12-13,783,729.38-2,799,386.84

Finding the Fourth Proportional to 9,189,079.12, 13,783,729.38 and 2,799,386.84

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Solution

The fourth proportional to 9,189,079.12, 13,783,729.38 and 2,799,386.84 is: 4,199,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,079.12 : 13,783,729.38 = 2,799,386.84 : x
  2. Step 2: Convert to fraction form
    9,189,079.12/13,783,729.38 = 2,799,386.84/x
  3. Step 3: Cross multiply
    9,189,079.12x = 13,783,729.38 × 2,799,386.84
  4. Step 4: Simplify right side
    9,189,079.12x = 38,585,990,632,493.36
  5. Step 5: Solve for x
    x = 38,585,990,632,493.36/9,189,079.12
  6. Step 6: Final answer
    x = 4,199,113.98

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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.