Home / 19,369,728.25-26,731,433.90-10,667,898.65

Finding the Fourth Proportional to 19,369,728.25, 26,731,433.90 and 10,667,898.65

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Solution

The fourth proportional to 19,369,728.25, 26,731,433.90 and 10,667,898.65 is: 14,722,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,728.25 : 26,731,433.90 = 10,667,898.65 : x
  2. Step 2: Convert to fraction form
    19,369,728.25/26,731,433.90 = 10,667,898.65/x
  3. Step 3: Cross multiply
    19,369,728.25x = 26,731,433.90 × 10,667,898.65
  4. Step 4: Simplify right side
    19,369,728.25x = 285,168,227,707,872.56
  5. Step 5: Solve for x
    x = 285,168,227,707,872.56/19,369,728.25
  6. Step 6: Final answer
    x = 14,722,365.95

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1.5x scale

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.