Home / 15,173,569.30-20,934,745.10-9,287,066.82

Finding the Fourth Proportional to 15,173,569.30, 20,934,745.10 and 9,287,066.82

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Solution

The fourth proportional to 15,173,569.30, 20,934,745.10 and 9,287,066.82 is: 12,813,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,569.30 : 20,934,745.10 = 9,287,066.82 : x
  2. Step 2: Convert to fraction form
    15,173,569.30/20,934,745.10 = 9,287,066.82/x
  3. Step 3: Cross multiply
    15,173,569.30x = 20,934,745.10 × 9,287,066.82
  4. Step 4: Simplify right side
    15,173,569.30x = 194,422,376,603,367.59
  5. Step 5: Solve for x
    x = 194,422,376,603,367.59/15,173,569.30
  6. Step 6: Final answer
    x = 12,813,226.26

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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.