Home / 39,066,512.70-53,912,777.39-21,426,117.57

Finding the Fourth Proportional to 39,066,512.70, 53,912,777.39 and 21,426,117.57

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Solution

The fourth proportional to 39,066,512.70, 53,912,777.39 and 21,426,117.57 is: 29,568,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066,512.70 : 53,912,777.39 = 21,426,117.57 : x
  2. Step 2: Convert to fraction form
    39,066,512.70/53,912,777.39 = 21,426,117.57/x
  3. Step 3: Cross multiply
    39,066,512.70x = 53,912,777.39 × 21,426,117.57
  4. Step 4: Simplify right side
    39,066,512.70x = 1,155,141,506,776,247.25
  5. Step 5: Solve for x
    x = 1,155,141,506,776,247.25/39,066,512.70
  6. Step 6: Final answer
    x = 29,568,585.14

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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.