Home / 21,965,383.79-32,948,421.05-8,314,865.27

Finding the Fourth Proportional to 21,965,383.79, 32,948,421.05 and 8,314,865.27

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Solution

The fourth proportional to 21,965,383.79, 32,948,421.05 and 8,314,865.27 is: 12,472,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965,383.79 : 32,948,421.05 = 8,314,865.27 : x
  2. Step 2: Convert to fraction form
    21,965,383.79/32,948,421.05 = 8,314,865.27/x
  3. Step 3: Cross multiply
    21,965,383.79x = 32,948,421.05 × 8,314,865.27
  4. Step 4: Simplify right side
    21,965,383.79x = 273,961,681,993,140.12
  5. Step 5: Solve for x
    x = 273,961,681,993,140.12/21,965,383.79
  6. Step 6: Final answer
    x = 12,472,428.64

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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.