Home / 25,682,834.42-38,523,807.72-8,643,507.35

Finding the Fourth Proportional to 25,682,834.42, 38,523,807.72 and 8,643,507.35

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Solution

The fourth proportional to 25,682,834.42, 38,523,807.72 and 8,643,507.35 is: 12,965,111.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682,834.42 : 38,523,807.72 = 8,643,507.35 : x
  2. Step 2: Convert to fraction form
    25,682,834.42/38,523,807.72 = 8,643,507.35/x
  3. Step 3: Cross multiply
    25,682,834.42x = 38,523,807.72 × 8,643,507.35
  4. Step 4: Simplify right side
    25,682,834.42x = 332,980,815,274,116.19
  5. Step 5: Solve for x
    x = 332,980,815,274,116.19/25,682,834.42
  6. Step 6: Final answer
    x = 12,965,111.63

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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.