Home / 31,585,993.40-47,378,990.10-11,391,235.40

Finding the Fourth Proportional to 31,585,993.40, 47,378,990.10 and 11,391,235.40

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Solution

The fourth proportional to 31,585,993.40, 47,378,990.10 and 11,391,235.40 is: 17,086,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585,993.40 : 47,378,990.10 = 11,391,235.40 : x
  2. Step 2: Convert to fraction form
    31,585,993.40/47,378,990.10 = 11,391,235.40/x
  3. Step 3: Cross multiply
    31,585,993.40x = 47,378,990.10 × 11,391,235.40
  4. Step 4: Simplify right side
    31,585,993.40x = 539,705,229,404,534.12
  5. Step 5: Solve for x
    x = 539,705,229,404,534.12/31,585,993.40
  6. Step 6: Final answer
    x = 17,086,853.10

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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.