Home / 9,344,739.40-12,898,498.26-5,478,097.48

Finding the Fourth Proportional to 9,344,739.40, 12,898,498.26 and 5,478,097.48

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Solution

The fourth proportional to 9,344,739.40, 12,898,498.26 and 5,478,097.48 is: 7,561,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344,739.40 : 12,898,498.26 = 5,478,097.48 : x
  2. Step 2: Convert to fraction form
    9,344,739.40/12,898,498.26 = 5,478,097.48/x
  3. Step 3: Cross multiply
    9,344,739.40x = 12,898,498.26 × 5,478,097.48
  4. Step 4: Simplify right side
    9,344,739.40x = 70,659,230,813,890.39
  5. Step 5: Solve for x
    x = 70,659,230,813,890.39/9,344,739.40
  6. Step 6: Final answer
    x = 7,561,391.26

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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.