Home / 9,138,975.39-12,611,924.01-5,008,973.54

Finding the Fourth Proportional to 9,138,975.39, 12,611,924.01 and 5,008,973.54

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Solution

The fourth proportional to 9,138,975.39, 12,611,924.01 and 5,008,973.54 is: 6,912,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,975.39 : 12,611,924.01 = 5,008,973.54 : x
  2. Step 2: Convert to fraction form
    9,138,975.39/12,611,924.01 = 5,008,973.54/x
  3. Step 3: Cross multiply
    9,138,975.39x = 12,611,924.01 × 5,008,973.54
  4. Step 4: Simplify right side
    9,138,975.39x = 63,172,793,591,521.08
  5. Step 5: Solve for x
    x = 63,172,793,591,521.08/9,138,975.39
  6. Step 6: Final answer
    x = 6,912,459.10

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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.