Home / 8,979,007.20-13,470,479.10-2,912,706.60

Finding the Fourth Proportional to 8,979,007.20, 13,470,479.10 and 2,912,706.60

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Solution

The fourth proportional to 8,979,007.20, 13,470,479.10 and 2,912,706.60 is: 4,369,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,007.20 : 13,470,479.10 = 2,912,706.60 : x
  2. Step 2: Convert to fraction form
    8,979,007.20/13,470,479.10 = 2,912,706.60/x
  3. Step 3: Cross multiply
    8,979,007.20x = 13,470,479.10 × 2,912,706.60
  4. Step 4: Simplify right side
    8,979,007.20x = 39,235,553,379,732.06
  5. Step 5: Solve for x
    x = 39,235,553,379,732.06/8,979,007.20
  6. Step 6: Final answer
    x = 4,369,698.40

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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.