Home / 52,429,616.39-72,353,438-28,908,198.64

Finding the Fourth Proportional to 52,429,616.39, 72,353,438 and 28,908,198.64

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Solution

The fourth proportional to 52,429,616.39, 72,353,438 and 28,908,198.64 is: 39,893,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,429,616.39 : 72,353,438 = 28,908,198.64 : x
  2. Step 2: Convert to fraction form
    52,429,616.39/72,353,438 = 28,908,198.64/x
  3. Step 3: Cross multiply
    52,429,616.39x = 72,353,438 × 28,908,198.64
  4. Step 4: Simplify right side
    52,429,616.39x = 2,091,607,557,990,924.25
  5. Step 5: Solve for x
    x = 2,091,607,557,990,924.25/52,429,616.39
  6. Step 6: Final answer
    x = 39,893,626.96

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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.