Home / 26,608,643.10-39,912,964.65-8,657,747.10

Finding the Fourth Proportional to 26,608,643.10, 39,912,964.65 and 8,657,747.10

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Solution

The fourth proportional to 26,608,643.10, 39,912,964.65 and 8,657,747.10 is: 12,986,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608,643.10 : 39,912,964.65 = 8,657,747.10 : x
  2. Step 2: Convert to fraction form
    26,608,643.10/39,912,964.65 = 8,657,747.10/x
  3. Step 3: Cross multiply
    26,608,643.10x = 39,912,964.65 × 8,657,747.10
  4. Step 4: Simplify right side
    26,608,643.10x = 345,556,353,950,940
  5. Step 5: Solve for x
    x = 345,556,353,950,940/26,608,643.10
  6. Step 6: Final answer
    x = 12,986,620.65

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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.