Home / 28,510,076.79-39,344,735.78-16,119,904.06

Finding the Fourth Proportional to 28,510,076.79, 39,344,735.78 and 16,119,904.06

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Solution

The fourth proportional to 28,510,076.79, 39,344,735.78 and 16,119,904.06 is: 22,245,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,076.79 : 39,344,735.78 = 16,119,904.06 : x
  2. Step 2: Convert to fraction form
    28,510,076.79/39,344,735.78 = 16,119,904.06/x
  3. Step 3: Cross multiply
    28,510,076.79x = 39,344,735.78 × 16,119,904.06
  4. Step 4: Simplify right side
    28,510,076.79x = 634,233,365,959,049.75
  5. Step 5: Solve for x
    x = 634,233,365,959,049.75/28,510,076.79
  6. Step 6: Final answer
    x = 22,245,936.78

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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.