Home / 26,980,679.80-40,471,019.70-18,371,335.60

Finding the Fourth Proportional to 26,980,679.80, 40,471,019.70 and 18,371,335.60

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Solution

The fourth proportional to 26,980,679.80, 40,471,019.70 and 18,371,335.60 is: 27,557,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980,679.80 : 40,471,019.70 = 18,371,335.60 : x
  2. Step 2: Convert to fraction form
    26,980,679.80/40,471,019.70 = 18,371,335.60/x
  3. Step 3: Cross multiply
    26,980,679.80x = 40,471,019.70 × 18,371,335.60
  4. Step 4: Simplify right side
    26,980,679.80x = 743,506,684,982,911.38
  5. Step 5: Solve for x
    x = 743,506,684,982,911.38/26,980,679.80
  6. Step 6: Final answer
    x = 27,557,003.40

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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.