Home / 10,598,910.80-15,898,366.20-5,290,494.80

Finding the Fourth Proportional to 10,598,910.80, 15,898,366.20 and 5,290,494.80

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Solution

The fourth proportional to 10,598,910.80, 15,898,366.20 and 5,290,494.80 is: 7,935,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,598,910.80 : 15,898,366.20 = 5,290,494.80 : x
  2. Step 2: Convert to fraction form
    10,598,910.80/15,898,366.20 = 5,290,494.80/x
  3. Step 3: Cross multiply
    10,598,910.80x = 15,898,366.20 × 5,290,494.80
  4. Step 4: Simplify right side
    10,598,910.80x = 84,110,223,709,595.75
  5. Step 5: Solve for x
    x = 84,110,223,709,595.75/10,598,910.80
  6. Step 6: Final answer
    x = 7,935,742.20

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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.