Home / 31,271,261.78-43,156,926.70-17,336,989.46

Finding the Fourth Proportional to 31,271,261.78, 43,156,926.70 and 17,336,989.46

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Solution

The fourth proportional to 31,271,261.78, 43,156,926.70 and 17,336,989.46 is: 23,926,478.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271,261.78 : 43,156,926.70 = 17,336,989.46 : x
  2. Step 2: Convert to fraction form
    31,271,261.78/43,156,926.70 = 17,336,989.46/x
  3. Step 3: Cross multiply
    31,271,261.78x = 43,156,926.70 × 17,336,989.46
  4. Step 4: Simplify right side
    31,271,261.78x = 748,211,183,388,442.38
  5. Step 5: Solve for x
    x = 748,211,183,388,442.38/31,271,261.78
  6. Step 6: Final answer
    x = 23,926,478.84

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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.