Home / 18,683,485.15-28,025,227.73-15,707,415.55

Finding the Fourth Proportional to 18,683,485.15, 28,025,227.73 and 15,707,415.55

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Solution

The fourth proportional to 18,683,485.15, 28,025,227.73 and 15,707,415.55 is: 23,561,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,485.15 : 28,025,227.73 = 15,707,415.55 : x
  2. Step 2: Convert to fraction form
    18,683,485.15/28,025,227.73 = 15,707,415.55/x
  3. Step 3: Cross multiply
    18,683,485.15x = 28,025,227.73 × 15,707,415.55
  4. Step 4: Simplify right side
    18,683,485.15x = 440,203,897,759,956.19
  5. Step 5: Solve for x
    x = 440,203,897,759,956.19/18,683,485.15
  6. Step 6: Final answer
    x = 23,561,123.33

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Similar ratio
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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.