Home / 20,754,690.80-31,048,055.40-18,235,266.80

Finding the Fourth Proportional to 20,754,690.80, 31,048,055.40 and 18,235,266.80

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Solution

The fourth proportional to 20,754,690.80, 31,048,055.40 and 18,235,266.80 is: 27,279,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,690.80 : 31,048,055.40 = 18,235,266.80 : x
  2. Step 2: Convert to fraction form
    20,754,690.80/31,048,055.40 = 18,235,266.80/x
  3. Step 3: Cross multiply
    20,754,690.80x = 31,048,055.40 × 18,235,266.80
  4. Step 4: Simplify right side
    20,754,690.80x = 566,169,573,840,180.75
  5. Step 5: Solve for x
    x = 566,169,573,840,180.75/20,754,690.80
  6. Step 6: Final answer
    x = 27,279,113.88

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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.