Home / 10,457,851.88-15,682,319.58-3,979,821.80

Finding the Fourth Proportional to 10,457,851.88, 15,682,319.58 and 3,979,821.80

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Solution

The fourth proportional to 10,457,851.88, 15,682,319.58 and 3,979,821.80 is: 5,968,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,851.88 : 15,682,319.58 = 3,979,821.80 : x
  2. Step 2: Convert to fraction form
    10,457,851.88/15,682,319.58 = 3,979,821.80/x
  3. Step 3: Cross multiply
    10,457,851.88x = 15,682,319.58 × 3,979,821.80
  4. Step 4: Simplify right side
    10,457,851.88x = 62,412,837,339,050.84
  5. Step 5: Solve for x
    x = 62,412,837,339,050.84/10,457,851.88
  6. Step 6: Final answer
    x = 5,968,036.08

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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.