Home / 20,213,473.30-30,321,522.15-10,647,535.30

Finding the Fourth Proportional to 20,213,473.30, 30,321,522.15 and 10,647,535.30

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Solution

The fourth proportional to 20,213,473.30, 30,321,522.15 and 10,647,535.30 is: 15,971,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,473.30 : 30,321,522.15 = 10,647,535.30 : x
  2. Step 2: Convert to fraction form
    20,213,473.30/30,321,522.15 = 10,647,535.30/x
  3. Step 3: Cross multiply
    20,213,473.30x = 30,321,522.15 × 10,647,535.30
  4. Step 4: Simplify right side
    20,213,473.30x = 322,849,477,441,856.88
  5. Step 5: Solve for x
    x = 322,849,477,441,856.88/20,213,473.30
  6. Step 6: Final answer
    x = 15,971,994.16

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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.