Home / 21,054,999.60-31,582,499.40-10,266,747.30

Finding the Fourth Proportional to 21,054,999.60, 31,582,499.40 and 10,266,747.30

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Solution

The fourth proportional to 21,054,999.60, 31,582,499.40 and 10,266,747.30 is: 15,400,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,999.60 : 31,582,499.40 = 10,266,747.30 : x
  2. Step 2: Convert to fraction form
    21,054,999.60/31,582,499.40 = 10,266,747.30/x
  3. Step 3: Cross multiply
    21,054,999.60x = 31,582,499.40 × 10,266,747.30
  4. Step 4: Simplify right side
    21,054,999.60x = 324,249,540,442,201.62
  5. Step 5: Solve for x
    x = 324,249,540,442,201.62/21,054,999.60
  6. Step 6: Final answer
    x = 15,400,120.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.