Home / 12,311,567.68-16,989,667.05-6,729,563.71

Finding the Fourth Proportional to 12,311,567.68, 16,989,667.05 and 6,729,563.71

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Solution

The fourth proportional to 12,311,567.68, 16,989,667.05 and 6,729,563.71 is: 9,286,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,567.68 : 16,989,667.05 = 6,729,563.71 : x
  2. Step 2: Convert to fraction form
    12,311,567.68/16,989,667.05 = 6,729,563.71/x
  3. Step 3: Cross multiply
    12,311,567.68x = 16,989,667.05 × 6,729,563.71
  4. Step 4: Simplify right side
    12,311,567.68x = 114,333,046,804,422
  5. Step 5: Solve for x
    x = 114,333,046,804,422/12,311,567.68
  6. Step 6: Final answer
    x = 9,286,635.93

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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.