Home / 33,720,392.75-46,535,270.36-20,665,130.42

Finding the Fourth Proportional to 33,720,392.75, 46,535,270.36 and 20,665,130.42

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Solution

The fourth proportional to 33,720,392.75, 46,535,270.36 and 20,665,130.42 is: 28,518,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720,392.75 : 46,535,270.36 = 20,665,130.42 : x
  2. Step 2: Convert to fraction form
    33,720,392.75/46,535,270.36 = 20,665,130.42/x
  3. Step 3: Cross multiply
    33,720,392.75x = 46,535,270.36 × 20,665,130.42
  4. Step 4: Simplify right side
    33,720,392.75x = 961,657,431,119,360.38
  5. Step 5: Solve for x
    x = 961,657,431,119,360.38/33,720,392.75
  6. Step 6: Final answer
    x = 28,518,571.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.