Home / 7,017,618.79-10,517,945.86-3,417,991.75

Finding the Fourth Proportional to 7,017,618.79, 10,517,945.86 and 3,417,991.75

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Solution

The fourth proportional to 7,017,618.79, 10,517,945.86 and 3,417,991.75 is: 5,122,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017,618.79 : 10,517,945.86 = 3,417,991.75 : x
  2. Step 2: Convert to fraction form
    7,017,618.79/10,517,945.86 = 3,417,991.75/x
  3. Step 3: Cross multiply
    7,017,618.79x = 10,517,945.86 × 3,417,991.75
  4. Step 4: Simplify right side
    7,017,618.79x = 35,950,252,176,426.66
  5. Step 5: Solve for x
    x = 35,950,252,176,426.66/7,017,618.79
  6. Step 6: Final answer
    x = 5,122,856.24

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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.