Home / 33,720,391.75-46,535,268.98-20,665,129.42

Finding the Fourth Proportional to 33,720,391.75, 46,535,268.98 and 20,665,129.42

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Solution

The fourth proportional to 33,720,391.75, 46,535,268.98 and 20,665,129.42 is: 28,518,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,720,391.75 : 46,535,268.98 = 20,665,129.42 : x
  2. Step 2: Convert to fraction form
    33,720,391.75/46,535,268.98 = 20,665,129.42/x
  3. Step 3: Cross multiply
    33,720,391.75x = 46,535,268.98 × 20,665,129.42
  4. Step 4: Simplify right side
    33,720,391.75x = 961,657,356,066,211.38
  5. Step 5: Solve for x
    x = 961,657,356,066,211.38/33,720,391.75
  6. Step 6: Final answer
    x = 28,518,570.10

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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.