Home / 10,802,421.20-16,203,631.80-10,015,101.20

Finding the Fourth Proportional to 10,802,421.20, 16,203,631.80 and 10,015,101.20

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Solution

The fourth proportional to 10,802,421.20, 16,203,631.80 and 10,015,101.20 is: 15,022,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802,421.20 : 16,203,631.80 = 10,015,101.20 : x
  2. Step 2: Convert to fraction form
    10,802,421.20/16,203,631.80 = 10,015,101.20/x
  3. Step 3: Cross multiply
    10,802,421.20x = 16,203,631.80 × 10,015,101.20
  4. Step 4: Simplify right side
    10,802,421.20x = 162,281,012,284,538.16
  5. Step 5: Solve for x
    x = 162,281,012,284,538.16/10,802,421.20
  6. Step 6: Final answer
    x = 15,022,651.80

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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.