Home / 8,687,628.20-13,031,442.30-3,638,412.20

Finding the Fourth Proportional to 8,687,628.20, 13,031,442.30 and 3,638,412.20

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Solution

The fourth proportional to 8,687,628.20, 13,031,442.30 and 3,638,412.20 is: 5,457,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,628.20 : 13,031,442.30 = 3,638,412.20 : x
  2. Step 2: Convert to fraction form
    8,687,628.20/13,031,442.30 = 3,638,412.20/x
  3. Step 3: Cross multiply
    8,687,628.20x = 13,031,442.30 × 3,638,412.20
  4. Step 4: Simplify right side
    8,687,628.20x = 47,413,758,647,916.06
  5. Step 5: Solve for x
    x = 47,413,758,647,916.06/8,687,628.20
  6. Step 6: Final answer
    x = 5,457,618.30

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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.