Home / 7,239,450.80-10,859,176.20-2,976,820.40

Finding the Fourth Proportional to 7,239,450.80, 10,859,176.20 and 2,976,820.40

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Solution

The fourth proportional to 7,239,450.80, 10,859,176.20 and 2,976,820.40 is: 4,465,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,450.80 : 10,859,176.20 = 2,976,820.40 : x
  2. Step 2: Convert to fraction form
    7,239,450.80/10,859,176.20 = 2,976,820.40/x
  3. Step 3: Cross multiply
    7,239,450.80x = 10,859,176.20 × 2,976,820.40
  4. Step 4: Simplify right side
    7,239,450.80x = 32,325,817,239,354.48
  5. Step 5: Solve for x
    x = 32,325,817,239,354.48/7,239,450.80
  6. Step 6: Final answer
    x = 4,465,230.60

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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.