Home / 13,626,863.68-18,811,368.88-8,400,805.76

Finding the Fourth Proportional to 13,626,863.68, 18,811,368.88 and 8,400,805.76

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Solution

The fourth proportional to 13,626,863.68, 18,811,368.88 and 8,400,805.76 is: 11,596,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,863.68 : 18,811,368.88 = 8,400,805.76 : x
  2. Step 2: Convert to fraction form
    13,626,863.68/18,811,368.88 = 8,400,805.76/x
  3. Step 3: Cross multiply
    13,626,863.68x = 18,811,368.88 × 8,400,805.76
  4. Step 4: Simplify right side
    13,626,863.68x = 158,030,656,040,588.75
  5. Step 5: Solve for x
    x = 158,030,656,040,588.75/13,626,863.68
  6. Step 6: Final answer
    x = 11,596,993.98

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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.