Home / 10,647,821.09-15,974,418.61-2,971,459.60

Finding the Fourth Proportional to 10,647,821.09, 15,974,418.61 and 2,971,459.60

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Solution

The fourth proportional to 10,647,821.09, 15,974,418.61 and 2,971,459.60 is: 4,457,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,821.09 : 15,974,418.61 = 2,971,459.60 : x
  2. Step 2: Convert to fraction form
    10,647,821.09/15,974,418.61 = 2,971,459.60/x
  3. Step 3: Cross multiply
    10,647,821.09x = 15,974,418.61 × 2,971,459.60
  4. Step 4: Simplify right side
    10,647,821.09x = 47,467,339,438,373.77
  5. Step 5: Solve for x
    x = 47,467,339,438,373.77/10,647,821.09
  6. Step 6: Final answer
    x = 4,457,939.24

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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.