Home / 10,647,638.71-15,974,145.30-2,971,277.14

Finding the Fourth Proportional to 10,647,638.71, 15,974,145.30 and 2,971,277.14

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Solution

The fourth proportional to 10,647,638.71, 15,974,145.30 and 2,971,277.14 is: 4,457,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,638.71 : 15,974,145.30 = 2,971,277.14 : x
  2. Step 2: Convert to fraction form
    10,647,638.71/15,974,145.30 = 2,971,277.14/x
  3. Step 3: Cross multiply
    10,647,638.71x = 15,974,145.30 × 2,971,277.14
  4. Step 4: Simplify right side
    10,647,638.71x = 47,463,612,760,928.45
  5. Step 5: Solve for x
    x = 47,463,612,760,928.45/10,647,638.71
  6. Step 6: Final answer
    x = 4,457,665.60

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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.