Home / 9,378,508.50-12,942,341.74-5,304,040.02

Finding the Fourth Proportional to 9,378,508.50, 12,942,341.74 and 5,304,040.02

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Solution

The fourth proportional to 9,378,508.50, 12,942,341.74 and 5,304,040.02 is: 7,319,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,508.50 : 12,942,341.74 = 5,304,040.02 : x
  2. Step 2: Convert to fraction form
    9,378,508.50/12,942,341.74 = 5,304,040.02/x
  3. Step 3: Cross multiply
    9,378,508.50x = 12,942,341.74 × 5,304,040.02
  4. Step 4: Simplify right side
    9,378,508.50x = 68,646,698,541,476.43
  5. Step 5: Solve for x
    x = 68,646,698,541,476.43/9,378,508.50
  6. Step 6: Final answer
    x = 7,319,575.23

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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.