Home / 9,169,143.72-12,653,375.98-5,248,878.28

Finding the Fourth Proportional to 9,169,143.72, 12,653,375.98 and 5,248,878.28

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Solution

The fourth proportional to 9,169,143.72, 12,653,375.98 and 5,248,878.28 is: 7,243,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,143.72 : 12,653,375.98 = 5,248,878.28 : x
  2. Step 2: Convert to fraction form
    9,169,143.72/12,653,375.98 = 5,248,878.28/x
  3. Step 3: Cross multiply
    9,169,143.72x = 12,653,375.98 × 5,248,878.28
  4. Step 4: Simplify right side
    9,169,143.72x = 66,416,030,350,095.72
  5. Step 5: Solve for x
    x = 66,416,030,350,095.72/9,169,143.72
  6. Step 6: Final answer
    x = 7,243,427.78

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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.