Home / 19,368,374.57-26,728,033.93-10,667,356.80

Finding the Fourth Proportional to 19,368,374.57, 26,728,033.93 and 10,667,356.80

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Solution

The fourth proportional to 19,368,374.57, 26,728,033.93 and 10,667,356.80 is: 14,720,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368,374.57 : 26,728,033.93 = 10,667,356.80 : x
  2. Step 2: Convert to fraction form
    19,368,374.57/26,728,033.93 = 10,667,356.80/x
  3. Step 3: Cross multiply
    19,368,374.57x = 26,728,033.93 × 10,667,356.80
  4. Step 4: Simplify right side
    19,368,374.57x = 285,117,474,493,816.25
  5. Step 5: Solve for x
    x = 285,117,474,493,816.25/19,368,374.57
  6. Step 6: Final answer
    x = 14,720,774.50

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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.