Home / 47,389,780.80-71,079,422.40-13,314,571.20

Finding the Fourth Proportional to 47,389,780.80, 71,079,422.40 and 13,314,571.20

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Solution

The fourth proportional to 47,389,780.80, 71,079,422.40 and 13,314,571.20 is: 19,970,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389,780.80 : 71,079,422.40 = 13,314,571.20 : x
  2. Step 2: Convert to fraction form
    47,389,780.80/71,079,422.40 = 13,314,571.20/x
  3. Step 3: Cross multiply
    47,389,780.80x = 71,079,422.40 × 13,314,571.20
  4. Step 4: Simplify right side
    47,389,780.80x = 946,392,030,399,674.88
  5. Step 5: Solve for x
    x = 946,392,030,399,674.88/47,389,780.80
  6. Step 6: Final answer
    x = 19,970,382.10

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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.