Home / 9,918,993.01-13,690,224.13-5,732,855.70

Finding the Fourth Proportional to 9,918,993.01, 13,690,224.13 and 5,732,855.70

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Solution

The fourth proportional to 9,918,993.01, 13,690,224.13 and 5,732,855.70 is: 7,912,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,993.01 : 13,690,224.13 = 5,732,855.70 : x
  2. Step 2: Convert to fraction form
    9,918,993.01/13,690,224.13 = 5,732,855.70/x
  3. Step 3: Cross multiply
    9,918,993.01x = 13,690,224.13 × 5,732,855.70
  4. Step 4: Simplify right side
    9,918,993.01x = 78,484,079,409,283.77
  5. Step 5: Solve for x
    x = 78,484,079,409,283.77/9,918,993.01
  6. Step 6: Final answer
    x = 7,912,504.76

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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.