Home / 7,988,419.20-11,982,628.80-4,965,110.40

Finding the Fourth Proportional to 7,988,419.20, 11,982,628.80 and 4,965,110.40

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Solution

The fourth proportional to 7,988,419.20, 11,982,628.80 and 4,965,110.40 is: 7,447,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,419.20 : 11,982,628.80 = 4,965,110.40 : x
  2. Step 2: Convert to fraction form
    7,988,419.20/11,982,628.80 = 4,965,110.40/x
  3. Step 3: Cross multiply
    7,988,419.20x = 11,982,628.80 × 4,965,110.40
  4. Step 4: Simplify right side
    7,988,419.20x = 59,495,074,874,219.53
  5. Step 5: Solve for x
    x = 59,495,074,874,219.53/7,988,419.20
  6. Step 6: Final answer
    x = 7,447,665.60

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Similar ratio
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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.