Home / 26,285,430.20-39,428,145.30-18,632,679.80

Finding the Fourth Proportional to 26,285,430.20, 39,428,145.30 and 18,632,679.80

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Solution

The fourth proportional to 26,285,430.20, 39,428,145.30 and 18,632,679.80 is: 27,949,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285,430.20 : 39,428,145.30 = 18,632,679.80 : x
  2. Step 2: Convert to fraction form
    26,285,430.20/39,428,145.30 = 18,632,679.80/x
  3. Step 3: Cross multiply
    26,285,430.20x = 39,428,145.30 × 18,632,679.80
  4. Step 4: Simplify right side
    26,285,430.20x = 734,652,006,482,774.88
  5. Step 5: Solve for x
    x = 734,652,006,482,774.88/26,285,430.20
  6. Step 6: Final answer
    x = 27,949,019.70

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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.