Home / 8,610,939.20-12,916,880.16-3,492,609.12

Finding the Fourth Proportional to 8,610,939.20, 12,916,880.16 and 3,492,609.12

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Solution

The fourth proportional to 8,610,939.20, 12,916,880.16 and 3,492,609.12 is: 5,239,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610,939.20 : 12,916,880.16 = 3,492,609.12 : x
  2. Step 2: Convert to fraction form
    8,610,939.20/12,916,880.16 = 3,492,609.12/x
  3. Step 3: Cross multiply
    8,610,939.20x = 12,916,880.16 × 3,492,609.12
  4. Step 4: Simplify right side
    8,610,939.20x = 45,113,613,448,763.06
  5. Step 5: Solve for x
    x = 45,113,613,448,763.06/8,610,939.20
  6. Step 6: Final answer
    x = 5,239,104.86

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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.