Home / 7,661,638.90-11,492,458.35-2,613,114.10

Finding the Fourth Proportional to 7,661,638.90, 11,492,458.35 and 2,613,114.10

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Solution

The fourth proportional to 7,661,638.90, 11,492,458.35 and 2,613,114.10 is: 3,919,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,638.90 : 11,492,458.35 = 2,613,114.10 : x
  2. Step 2: Convert to fraction form
    7,661,638.90/11,492,458.35 = 2,613,114.10/x
  3. Step 3: Cross multiply
    7,661,638.90x = 11,492,458.35 × 2,613,114.10
  4. Step 4: Simplify right side
    7,661,638.90x = 30,031,104,958,047.73
  5. Step 5: Solve for x
    x = 30,031,104,958,047.73/7,661,638.90
  6. Step 6: Final answer
    x = 3,919,671.15

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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.