Home / 10,434,417.80-15,651,626.70-8,991,192.20

Finding the Fourth Proportional to 10,434,417.80, 15,651,626.70 and 8,991,192.20

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Solution

The fourth proportional to 10,434,417.80, 15,651,626.70 and 8,991,192.20 is: 13,486,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,417.80 : 15,651,626.70 = 8,991,192.20 : x
  2. Step 2: Convert to fraction form
    10,434,417.80/15,651,626.70 = 8,991,192.20/x
  3. Step 3: Cross multiply
    10,434,417.80x = 15,651,626.70 × 8,991,192.20
  4. Step 4: Simplify right side
    10,434,417.80x = 140,726,783,902,351.72
  5. Step 5: Solve for x
    x = 140,726,783,902,351.72/10,434,417.80
  6. Step 6: Final answer
    x = 13,486,788.30

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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.