Home / 28,193,122.20-42,289,683.30-17,375,345.40

Finding the Fourth Proportional to 28,193,122.20, 42,289,683.30 and 17,375,345.40

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Solution

The fourth proportional to 28,193,122.20, 42,289,683.30 and 17,375,345.40 is: 26,063,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193,122.20 : 42,289,683.30 = 17,375,345.40 : x
  2. Step 2: Convert to fraction form
    28,193,122.20/42,289,683.30 = 17,375,345.40/x
  3. Step 3: Cross multiply
    28,193,122.20x = 42,289,683.30 × 17,375,345.40
  4. Step 4: Simplify right side
    28,193,122.20x = 734,797,854,194,111.75
  5. Step 5: Solve for x
    x = 734,797,854,194,111.75/28,193,122.20
  6. Step 6: Final answer
    x = 26,063,018.10

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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.