Home / 8,691,353.16-11,995,551.72-5,019,609.78

Finding the Fourth Proportional to 8,691,353.16, 11,995,551.72 and 5,019,609.78

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Solution

The fourth proportional to 8,691,353.16, 11,995,551.72 and 5,019,609.78 is: 6,927,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,353.16 : 11,995,551.72 = 5,019,609.78 : x
  2. Step 2: Convert to fraction form
    8,691,353.16/11,995,551.72 = 5,019,609.78/x
  3. Step 3: Cross multiply
    8,691,353.16x = 11,995,551.72 × 5,019,609.78
  4. Step 4: Simplify right side
    8,691,353.16x = 60,212,988,730,207.83
  5. Step 5: Solve for x
    x = 60,212,988,730,207.83/8,691,353.16
  6. Step 6: Final answer
    x = 6,927,918.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.