Home / 14,483,669.20-21,728,128.20-7,277,066.80

Finding the Fourth Proportional to 14,483,669.20, 21,728,128.20 and 7,277,066.80

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Solution

The fourth proportional to 14,483,669.20, 21,728,128.20 and 7,277,066.80 is: 10,916,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483,669.20 : 21,728,128.20 = 7,277,066.80 : x
  2. Step 2: Convert to fraction form
    14,483,669.20/21,728,128.20 = 7,277,066.80/x
  3. Step 3: Cross multiply
    14,483,669.20x = 21,728,128.20 × 7,277,066.80
  4. Step 4: Simplify right side
    14,483,669.20x = 158,117,040,350,363.75
  5. Step 5: Solve for x
    x = 158,117,040,350,363.75/14,483,669.20
  6. Step 6: Final answer
    x = 10,916,918.78

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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.