Home / 10,143,676.80-15,216,455.52-3,668,371.20

Finding the Fourth Proportional to 10,143,676.80, 15,216,455.52 and 3,668,371.20

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Solution

The fourth proportional to 10,143,676.80, 15,216,455.52 and 3,668,371.20 is: 5,502,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,676.80 : 15,216,455.52 = 3,668,371.20 : x
  2. Step 2: Convert to fraction form
    10,143,676.80/15,216,455.52 = 3,668,371.20/x
  3. Step 3: Cross multiply
    10,143,676.80x = 15,216,455.52 × 3,668,371.20
  4. Step 4: Simplify right side
    10,143,676.80x = 55,819,607,195,649.02
  5. Step 5: Solve for x
    x = 55,819,607,195,649.02/10,143,676.80
  6. Step 6: Final answer
    x = 5,502,896.86

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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.