Home / 10,647,639.71-15,974,146.80-2,971,278.14

Finding the Fourth Proportional to 10,647,639.71, 15,974,146.80 and 2,971,278.14

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Solution

The fourth proportional to 10,647,639.71, 15,974,146.80 and 2,971,278.14 is: 4,457,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,639.71 : 15,974,146.80 = 2,971,278.14 : x
  2. Step 2: Convert to fraction form
    10,647,639.71/15,974,146.80 = 2,971,278.14/x
  3. Step 3: Cross multiply
    10,647,639.71x = 15,974,146.80 × 2,971,278.14
  4. Step 4: Simplify right side
    10,647,639.71x = 47,463,633,191,990.95
  5. Step 5: Solve for x
    x = 47,463,633,191,990.95/10,647,639.71
  6. Step 6: Final answer
    x = 4,457,667.10

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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.