Home / 8,640,695.32-12,946,841.70-2,957,819.56

Finding the Fourth Proportional to 8,640,695.32, 12,946,841.70 and 2,957,819.56

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Solution

The fourth proportional to 8,640,695.32, 12,946,841.70 and 2,957,819.56 is: 4,431,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,695.32 : 12,946,841.70 = 2,957,819.56 : x
  2. Step 2: Convert to fraction form
    8,640,695.32/12,946,841.70 = 2,957,819.56/x
  3. Step 3: Cross multiply
    8,640,695.32x = 12,946,841.70 × 2,957,819.56
  4. Step 4: Simplify right side
    8,640,695.32x = 38,294,421,620,483.65
  5. Step 5: Solve for x
    x = 38,294,421,620,483.65/8,640,695.32
  6. Step 6: Final answer
    x = 4,431,868.06

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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.