Home / 30,727,357.56-42,404,198.22-16,976,637.72

Finding the Fourth Proportional to 30,727,357.56, 42,404,198.22 and 16,976,637.72

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Solution

The fourth proportional to 30,727,357.56, 42,404,198.22 and 16,976,637.72 is: 23,428,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727,357.56 : 42,404,198.22 = 16,976,637.72 : x
  2. Step 2: Convert to fraction form
    30,727,357.56/42,404,198.22 = 16,976,637.72/x
  3. Step 3: Cross multiply
    30,727,357.56x = 42,404,198.22 × 16,976,637.72
  4. Step 4: Simplify right side
    30,727,357.56x = 719,880,710,988,008.75
  5. Step 5: Solve for x
    x = 719,880,710,988,008.75/30,727,357.56
  6. Step 6: Final answer
    x = 23,428,005.80

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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.