Home / 8,119,180.78-11,204,465.59-4,855,995.45

Finding the Fourth Proportional to 8,119,180.78, 11,204,465.59 and 4,855,995.45

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Solution

The fourth proportional to 8,119,180.78, 11,204,465.59 and 4,855,995.45 is: 6,701,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,180.78 : 11,204,465.59 = 4,855,995.45 : x
  2. Step 2: Convert to fraction form
    8,119,180.78/11,204,465.59 = 4,855,995.45/x
  3. Step 3: Cross multiply
    8,119,180.78x = 11,204,465.59 × 4,855,995.45
  4. Step 4: Simplify right side
    8,119,180.78x = 54,408,833,924,721.57
  5. Step 5: Solve for x
    x = 54,408,833,924,721.57/8,119,180.78
  6. Step 6: Final answer
    x = 6,701,271.40

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Double scale
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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.