Home / 19,487,426.95-29,229,040.90-5,111,935.75

Finding the Fourth Proportional to 19,487,426.95, 29,229,040.90 and 5,111,935.75

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Solution

The fourth proportional to 19,487,426.95, 29,229,040.90 and 5,111,935.75 is: 7,667,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487,426.95 : 29,229,040.90 = 5,111,935.75 : x
  2. Step 2: Convert to fraction form
    19,487,426.95/29,229,040.90 = 5,111,935.75/x
  3. Step 3: Cross multiply
    19,487,426.95x = 29,229,040.90 × 5,111,935.75
  4. Step 4: Simplify right side
    19,487,426.95x = 149,416,979,114,922.16
  5. Step 5: Solve for x
    x = 149,416,979,114,922.16/19,487,426.95
  6. Step 6: Final answer
    x = 7,667,352.88

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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.