Home / 10,448,169.67-15,665,099.77-5,320,674.19

Finding the Fourth Proportional to 10,448,169.67, 15,665,099.77 and 5,320,674.19

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Solution

The fourth proportional to 10,448,169.67, 15,665,099.77 and 5,320,674.19 is: 7,977,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448,169.67 : 15,665,099.77 = 5,320,674.19 : x
  2. Step 2: Convert to fraction form
    10,448,169.67/15,665,099.77 = 5,320,674.19/x
  3. Step 3: Cross multiply
    10,448,169.67x = 15,665,099.77 × 5,320,674.19
  4. Step 4: Simplify right side
    10,448,169.67x = 83,348,892,030,013.94
  5. Step 5: Solve for x
    x = 83,348,892,030,013.94/10,448,169.67
  6. Step 6: Final answer
    x = 7,977,367.77

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1.5x scale

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.