Home / 13,511,950.08-18,646,799.04-7,400,325.12

Finding the Fourth Proportional to 13,511,950.08, 18,646,799.04 and 7,400,325.12

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Solution

The fourth proportional to 13,511,950.08, 18,646,799.04 and 7,400,325.12 is: 10,212,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,950.08 : 18,646,799.04 = 7,400,325.12 : x
  2. Step 2: Convert to fraction form
    13,511,950.08/18,646,799.04 = 7,400,325.12/x
  3. Step 3: Cross multiply
    13,511,950.08x = 18,646,799.04 × 7,400,325.12
  4. Step 4: Simplify right side
    13,511,950.08x = 137,992,375,343,303.88
  5. Step 5: Solve for x
    x = 137,992,375,343,303.88/13,511,950.08
  6. Step 6: Final answer
    x = 10,212,617.31

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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.