Home / 12,336,384.65-18,493,585.88-5,855,461.65

Finding the Fourth Proportional to 12,336,384.65, 18,493,585.88 and 5,855,461.65

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Solution

The fourth proportional to 12,336,384.65, 18,493,585.88 and 5,855,461.65 is: 8,777,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,384.65 : 18,493,585.88 = 5,855,461.65 : x
  2. Step 2: Convert to fraction form
    12,336,384.65/18,493,585.88 = 5,855,461.65/x
  3. Step 3: Cross multiply
    12,336,384.65x = 18,493,585.88 × 5,855,461.65
  4. Step 4: Simplify right side
    12,336,384.65x = 108,288,482,862,044.20
  5. Step 5: Solve for x
    x = 108,288,482,862,044.20/12,336,384.65
  6. Step 6: Final answer
    x = 8,777,975.56

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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.