Home / 29,274,912.90-40,417,743.02-18,839,060.75

Finding the Fourth Proportional to 29,274,912.90, 40,417,743.02 and 18,839,060.75

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Solution

The fourth proportional to 29,274,912.90, 40,417,743.02 and 18,839,060.75 is: 26,009,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274,912.90 : 40,417,743.02 = 18,839,060.75 : x
  2. Step 2: Convert to fraction form
    29,274,912.90/40,417,743.02 = 18,839,060.75/x
  3. Step 3: Cross multiply
    29,274,912.90x = 40,417,743.02 × 18,839,060.75
  4. Step 4: Simplify right side
    29,274,912.90x = 761,432,316,138,517.62
  5. Step 5: Solve for x
    x = 761,432,316,138,517.62/29,274,912.90
  6. Step 6: Final answer
    x = 26,009,720.98

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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.