Home / 13,556,458.58-18,700,995.38-8,656,528.82

Finding the Fourth Proportional to 13,556,458.58, 18,700,995.38 and 8,656,528.82

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Solution

The fourth proportional to 13,556,458.58, 18,700,995.38 and 8,656,528.82 is: 11,941,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556,458.58 : 18,700,995.38 = 8,656,528.82 : x
  2. Step 2: Convert to fraction form
    13,556,458.58/18,700,995.38 = 8,656,528.82/x
  3. Step 3: Cross multiply
    13,556,458.58x = 18,700,995.38 × 8,656,528.82
  4. Step 4: Simplify right side
    13,556,458.58x = 161,885,705,469,656.84
  5. Step 5: Solve for x
    x = 161,885,705,469,656.84/13,556,458.58
  6. Step 6: Final answer
    x = 11,941,592.60

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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.