Home / 12,136,166.40-18,192,002.40-6,061,555.20

Finding the Fourth Proportional to 12,136,166.40, 18,192,002.40 and 6,061,555.20

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Solution

The fourth proportional to 12,136,166.40, 18,192,002.40 and 6,061,555.20 is: 9,086,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,166.40 : 18,192,002.40 = 6,061,555.20 : x
  2. Step 2: Convert to fraction form
    12,136,166.40/18,192,002.40 = 6,061,555.20/x
  3. Step 3: Cross multiply
    12,136,166.40x = 18,192,002.40 × 6,061,555.20
  4. Step 4: Simplify right side
    12,136,166.40x = 110,271,826,746,132.47
  5. Step 5: Solve for x
    x = 110,271,826,746,132.47/12,136,166.40
  6. Step 6: Final answer
    x = 9,086,215.79

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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.