Home / 29,359,980.80-43,955,990.40-18,022,572.80

Finding the Fourth Proportional to 29,359,980.80, 43,955,990.40 and 18,022,572.80

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Solution

The fourth proportional to 29,359,980.80, 43,955,990.40 and 18,022,572.80 is: 26,982,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,359,980.80 : 43,955,990.40 = 18,022,572.80 : x
  2. Step 2: Convert to fraction form
    29,359,980.80/43,955,990.40 = 18,022,572.80/x
  3. Step 3: Cross multiply
    29,359,980.80x = 43,955,990.40 × 18,022,572.80
  4. Step 4: Simplify right side
    29,359,980.80x = 792,200,036,980,101.12
  5. Step 5: Solve for x
    x = 792,200,036,980,101.12/29,359,980.80
  6. Step 6: Final answer
    x = 26,982,307.73

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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.