Home / 15,286,101.28-21,096,035.37-8,760,337.90

Finding the Fourth Proportional to 15,286,101.28, 21,096,035.37 and 8,760,337.90

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Solution

The fourth proportional to 15,286,101.28, 21,096,035.37 and 8,760,337.90 is: 12,089,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286,101.28 : 21,096,035.37 = 8,760,337.90 : x
  2. Step 2: Convert to fraction form
    15,286,101.28/21,096,035.37 = 8,760,337.90/x
  3. Step 3: Cross multiply
    15,286,101.28x = 21,096,035.37 × 8,760,337.90
  4. Step 4: Simplify right side
    15,286,101.28x = 184,808,398,138,811.47
  5. Step 5: Solve for x
    x = 184,808,398,138,811.47/15,286,101.28
  6. Step 6: Final answer
    x = 12,089,962.95

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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.