Home / 13,149,656.56-18,146,473.30-7,348,436.76

Finding the Fourth Proportional to 13,149,656.56, 18,146,473.30 and 7,348,436.76

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Solution

The fourth proportional to 13,149,656.56, 18,146,473.30 and 7,348,436.76 is: 10,140,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,656.56 : 18,146,473.30 = 7,348,436.76 : x
  2. Step 2: Convert to fraction form
    13,149,656.56/18,146,473.30 = 7,348,436.76/x
  3. Step 3: Cross multiply
    13,149,656.56x = 18,146,473.30 × 7,348,436.76
  4. Step 4: Simplify right side
    13,149,656.56x = 133,348,211,462,078.52
  5. Step 5: Solve for x
    x = 133,348,211,462,078.52/13,149,656.56
  6. Step 6: Final answer
    x = 10,140,813.25

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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.