Home / 8,613,159.90-12,921,632.01-2,547,418.83

Finding the Fourth Proportional to 8,613,159.90, 12,921,632.01 and 2,547,418.83

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Solution

The fourth proportional to 8,613,159.90, 12,921,632.01 and 2,547,418.83 is: 3,821,687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613,159.90 : 12,921,632.01 = 2,547,418.83 : x
  2. Step 2: Convert to fraction form
    8,613,159.90/12,921,632.01 = 2,547,418.83/x
  3. Step 3: Cross multiply
    8,613,159.90x = 12,921,632.01 × 2,547,418.83
  4. Step 4: Simplify right side
    8,613,159.90x = 32,916,808,696,604.75
  5. Step 5: Solve for x
    x = 32,916,808,696,604.75/8,613,159.90
  6. Step 6: Final answer
    x = 3,821,687.87

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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.