Home / 18,469,615.80-27,680,264.10-9,931,567.80

Finding the Fourth Proportional to 18,469,615.80, 27,680,264.10 and 9,931,567.80

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Solution

The fourth proportional to 18,469,615.80, 27,680,264.10 and 9,931,567.80 is: 14,884,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469,615.80 : 27,680,264.10 = 9,931,567.80 : x
  2. Step 2: Convert to fraction form
    18,469,615.80/27,680,264.10 = 9,931,567.80/x
  3. Step 3: Cross multiply
    18,469,615.80x = 27,680,264.10 × 9,931,567.80
  4. Step 4: Simplify right side
    18,469,615.80x = 274,908,419,631,056
  5. Step 5: Solve for x
    x = 274,908,419,631,056/18,469,615.80
  6. Step 6: Final answer
    x = 14,884,360.49

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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.