Home / 16,821,969.40-25,244,763.90-7,244,221.60

Finding the Fourth Proportional to 16,821,969.40, 25,244,763.90 and 7,244,221.60

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Solution

The fourth proportional to 16,821,969.40, 25,244,763.90 and 7,244,221.60 is: 10,871,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,969.40 : 25,244,763.90 = 7,244,221.60 : x
  2. Step 2: Convert to fraction form
    16,821,969.40/25,244,763.90 = 7,244,221.60/x
  3. Step 3: Cross multiply
    16,821,969.40x = 25,244,763.90 × 7,244,221.60
  4. Step 4: Simplify right side
    16,821,969.40x = 182,878,663,931,280.22
  5. Step 5: Solve for x
    x = 182,878,663,931,280.22/16,821,969.40
  6. Step 6: Final answer
    x = 10,871,418.18

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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.