Home / 13,561,528.50-18,715,246.86-7,366,573.44

Finding the Fourth Proportional to 13,561,528.50, 18,715,246.86 and 7,366,573.44

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Solution

The fourth proportional to 13,561,528.50, 18,715,246.86 and 7,366,573.44 is: 10,166,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,528.50 : 18,715,246.86 = 7,366,573.44 : x
  2. Step 2: Convert to fraction form
    13,561,528.50/18,715,246.86 = 7,366,573.44/x
  3. Step 3: Cross multiply
    13,561,528.50x = 18,715,246.86 × 7,366,573.44
  4. Step 4: Simplify right side
    13,561,528.50x = 137,867,240,441,919.41
  5. Step 5: Solve for x
    x = 137,867,240,441,919.41/13,561,528.50
  6. Step 6: Final answer
    x = 10,166,054.69

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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.