Home / 12,235,114.26-16,884,890.87-6,728,915.30

Finding the Fourth Proportional to 12,235,114.26, 16,884,890.87 and 6,728,915.30

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Solution

The fourth proportional to 12,235,114.26, 16,884,890.87 and 6,728,915.30 is: 9,286,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,114.26 : 16,884,890.87 = 6,728,915.30 : x
  2. Step 2: Convert to fraction form
    12,235,114.26/16,884,890.87 = 6,728,915.30/x
  3. Step 3: Cross multiply
    12,235,114.26x = 16,884,890.87 × 6,728,915.30
  4. Step 4: Simplify right side
    12,235,114.26x = 113,617,000,395,904.27
  5. Step 5: Solve for x
    x = 113,617,000,395,904.27/12,235,114.26
  6. Step 6: Final answer
    x = 9,286,141.35

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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.