Home / 26,980,675.80-40,471,013.70-18,371,331.60

Finding the Fourth Proportional to 26,980,675.80, 40,471,013.70 and 18,371,331.60

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Solution

The fourth proportional to 26,980,675.80, 40,471,013.70 and 18,371,331.60 is: 27,556,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980,675.80 : 40,471,013.70 = 18,371,331.60 : x
  2. Step 2: Convert to fraction form
    26,980,675.80/40,471,013.70 = 18,371,331.60/x
  3. Step 3: Cross multiply
    26,980,675.80x = 40,471,013.70 × 18,371,331.60
  4. Step 4: Simplify right side
    26,980,675.80x = 743,506,412,870,843
  5. Step 5: Solve for x
    x = 743,506,412,870,843/26,980,675.80
  6. Step 6: Final answer
    x = 27,556,997.40

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1.5x scale

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.