Home / 52,626,885.04-78,945,741.18-19,865,049.82

Finding the Fourth Proportional to 52,626,885.04, 78,945,741.18 and 19,865,049.82

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Solution

The fourth proportional to 52,626,885.04, 78,945,741.18 and 19,865,049.82 is: 29,799,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,626,885.04 : 78,945,741.18 = 19,865,049.82 : x
  2. Step 2: Convert to fraction form
    52,626,885.04/78,945,741.18 = 19,865,049.82/x
  3. Step 3: Cross multiply
    52,626,885.04x = 78,945,741.18 × 19,865,049.82
  4. Step 4: Simplify right side
    52,626,885.04x = 1,568,261,081,617,525.75
  5. Step 5: Solve for x
    x = 1,568,261,081,617,525.75/52,626,885.04
  6. Step 6: Final answer
    x = 29,799,618.21

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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.