Home / 19,487,425.95-29,229,039.41-5,111,934.75

Finding the Fourth Proportional to 19,487,425.95, 29,229,039.41 and 5,111,934.75

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Solution

The fourth proportional to 19,487,425.95, 29,229,039.41 and 5,111,934.75 is: 7,667,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,425.95 : 29,229,039.41 = 5,111,934.75 : x
  2. Step 2: Convert to fraction form
    19,487,425.95/29,229,039.41 = 5,111,934.75/x
  3. Step 3: Cross multiply
    19,487,425.95x = 29,229,039.41 × 5,111,934.75
  4. Step 4: Simplify right side
    19,487,425.95x = 149,416,942,243,538.84
  5. Step 5: Solve for x
    x = 149,416,942,243,538.84/19,487,425.95
  6. Step 6: Final answer
    x = 7,667,351.38

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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.