Home / 13,269,191.42-19,896,651.83-7,806,174.77

Finding the Fourth Proportional to 13,269,191.42, 19,896,651.83 and 7,806,174.77

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Solution

The fourth proportional to 13,269,191.42, 19,896,651.83 and 7,806,174.77 is: 11,705,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,191.42 : 19,896,651.83 = 7,806,174.77 : x
  2. Step 2: Convert to fraction form
    13,269,191.42/19,896,651.83 = 7,806,174.77/x
  3. Step 3: Cross multiply
    13,269,191.42x = 19,896,651.83 × 7,806,174.77
  4. Step 4: Simplify right side
    13,269,191.42x = 155,316,741,384,306.19
  5. Step 5: Solve for x
    x = 155,316,741,384,306.19/13,269,191.42
  6. Step 6: Final answer
    x = 11,705,064.50

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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.