Home / 39,318,151.04-54,259,301.76-21,915,601.28

Finding the Fourth Proportional to 39,318,151.04, 54,259,301.76 and 21,915,601.28

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Solution

The fourth proportional to 39,318,151.04, 54,259,301.76 and 21,915,601.28 is: 30,243,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,318,151.04 : 54,259,301.76 = 21,915,601.28 : x
  2. Step 2: Convert to fraction form
    39,318,151.04/54,259,301.76 = 21,915,601.28/x
  3. Step 3: Cross multiply
    39,318,151.04x = 54,259,301.76 × 21,915,601.28
  4. Step 4: Simplify right side
    39,318,151.04x = 1,189,125,223,103,362.25
  5. Step 5: Solve for x
    x = 1,189,125,223,103,362.25/39,318,151.04
  6. Step 6: Final answer
    x = 30,243,670.97

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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.