Home / 52,067,085.12-78,099,758.32-12,675,754.16

Finding the Fourth Proportional to 52,067,085.12, 78,099,758.32 and 12,675,754.16

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Solution

The fourth proportional to 52,067,085.12, 78,099,758.32 and 12,675,754.16 is: 19,013,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067,085.12 : 78,099,758.32 = 12,675,754.16 : x
  2. Step 2: Convert to fraction form
    52,067,085.12/78,099,758.32 = 12,675,754.16/x
  3. Step 3: Cross multiply
    52,067,085.12x = 78,099,758.32 × 12,675,754.16
  4. Step 4: Simplify right side
    52,067,085.12x = 989,973,336,419,734.50
  5. Step 5: Solve for x
    x = 989,973,336,419,734.50/52,067,085.12
  6. Step 6: Final answer
    x = 19,013,419.59

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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.