Home / 18,155,443.80-27,201,672.90-11,762,405.40

Finding the Fourth Proportional to 18,155,443.80, 27,201,672.90 and 11,762,405.40

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Solution

The fourth proportional to 18,155,443.80, 27,201,672.90 and 11,762,405.40 is: 17,623,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155,443.80 : 27,201,672.90 = 11,762,405.40 : x
  2. Step 2: Convert to fraction form
    18,155,443.80/27,201,672.90 = 11,762,405.40/x
  3. Step 3: Cross multiply
    18,155,443.80x = 27,201,672.90 × 11,762,405.40
  4. Step 4: Simplify right side
    18,155,443.80x = 319,957,104,207,993.62
  5. Step 5: Solve for x
    x = 319,957,104,207,993.62/18,155,443.80
  6. Step 6: Final answer
    x = 17,623,204.79

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1.5x scale

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.