Home / 56,662,286.40-84,993,429.60-15,721,646.40

Finding the Fourth Proportional to 56,662,286.40, 84,993,429.60 and 15,721,646.40

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Solution

The fourth proportional to 56,662,286.40, 84,993,429.60 and 15,721,646.40 is: 23,582,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,662,286.40 : 84,993,429.60 = 15,721,646.40 : x
  2. Step 2: Convert to fraction form
    56,662,286.40/84,993,429.60 = 15,721,646.40/x
  3. Step 3: Cross multiply
    56,662,286.40x = 84,993,429.60 × 15,721,646.40
  4. Step 4: Simplify right side
    56,662,286.40x = 1,336,236,646,494,493.50
  5. Step 5: Solve for x
    x = 1,336,236,646,494,493.50/56,662,286.40
  6. Step 6: Final answer
    x = 23,582,469.60

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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.