Home / 12,229,667.80-18,344,501.70-5,038,811.80

Finding the Fourth Proportional to 12,229,667.80, 18,344,501.70 and 5,038,811.80

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Solution

The fourth proportional to 12,229,667.80, 18,344,501.70 and 5,038,811.80 is: 7,558,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,667.80 : 18,344,501.70 = 5,038,811.80 : x
  2. Step 2: Convert to fraction form
    12,229,667.80/18,344,501.70 = 5,038,811.80/x
  3. Step 3: Cross multiply
    12,229,667.80x = 18,344,501.70 × 5,038,811.80
  4. Step 4: Simplify right side
    12,229,667.80x = 92,434,491,631,080.05
  5. Step 5: Solve for x
    x = 92,434,491,631,080.05/12,229,667.80
  6. Step 6: Final answer
    x = 7,558,217.70

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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.