Home / 42,728,602.92-58,965,392.25-23,149,977.90

Finding the Fourth Proportional to 42,728,602.92, 58,965,392.25 and 23,149,977.90

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Solution

The fourth proportional to 42,728,602.92, 58,965,392.25 and 23,149,977.90 is: 31,946,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,728,602.92 : 58,965,392.25 = 23,149,977.90 : x
  2. Step 2: Convert to fraction form
    42,728,602.92/58,965,392.25 = 23,149,977.90/x
  3. Step 3: Cross multiply
    42,728,602.92x = 58,965,392.25 × 23,149,977.90
  4. Step 4: Simplify right side
    42,728,602.92x = 1,365,047,527,452,331.25
  5. Step 5: Solve for x
    x = 1,365,047,527,452,331.25/42,728,602.92
  6. Step 6: Final answer
    x = 31,946,926.28

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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.