Home / 18,403,985.28-25,397,600.58-10,673,610.96

Finding the Fourth Proportional to 18,403,985.28, 25,397,600.58 and 10,673,610.96

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Solution

The fourth proportional to 18,403,985.28, 25,397,600.58 and 10,673,610.96 is: 14,729,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,985.28 : 25,397,600.58 = 10,673,610.96 : x
  2. Step 2: Convert to fraction form
    18,403,985.28/25,397,600.58 = 10,673,610.96/x
  3. Step 3: Cross multiply
    18,403,985.28x = 25,397,600.58 × 10,673,610.96
  4. Step 4: Simplify right side
    18,403,985.28x = 271,084,107,908,390.38
  5. Step 5: Solve for x
    x = 271,084,107,908,390.38/18,403,985.28
  6. Step 6: Final answer
    x = 14,729,641.64

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1.5x scale

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.