Home / 17,420,308.30-26,128,772.76-5,289,876.67

Finding the Fourth Proportional to 17,420,308.30, 26,128,772.76 and 5,289,876.67

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Solution

The fourth proportional to 17,420,308.30, 26,128,772.76 and 5,289,876.67 is: 7,934,301.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420,308.30 : 26,128,772.76 = 5,289,876.67 : x
  2. Step 2: Convert to fraction form
    17,420,308.30/26,128,772.76 = 5,289,876.67/x
  3. Step 3: Cross multiply
    17,420,308.30x = 26,128,772.76 × 5,289,876.67
  4. Step 4: Simplify right side
    17,420,308.30x = 138,217,985,438,855.52
  5. Step 5: Solve for x
    x = 138,217,985,438,855.52/17,420,308.30
  6. Step 6: Final answer
    x = 7,934,301.91

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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.