Home / 13,406,691-18,501,078.06-7,295,014.20

Finding the Fourth Proportional to 13,406,691, 18,501,078.06 and 7,295,014.20

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Solution

The fourth proportional to 13,406,691, 18,501,078.06 and 7,295,014.20 is: 10,067,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,406,691 : 18,501,078.06 = 7,295,014.20 : x
  2. Step 2: Convert to fraction form
    13,406,691/18,501,078.06 = 7,295,014.20/x
  3. Step 3: Cross multiply
    13,406,691x = 18,501,078.06 × 7,295,014.20
  4. Step 4: Simplify right side
    13,406,691x = 134,965,627,163,008.45
  5. Step 5: Solve for x
    x = 134,965,627,163,008.45/13,406,691
  6. Step 6: Final answer
    x = 10,067,034.97

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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.