Home / 39,203,320.32-54,100,626.99-21,799,291.87

Finding the Fourth Proportional to 39,203,320.32, 54,100,626.99 and 21,799,291.87

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Solution

The fourth proportional to 39,203,320.32, 54,100,626.99 and 21,799,291.87 is: 30,083,047.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,203,320.32 : 54,100,626.99 = 21,799,291.87 : x
  2. Step 2: Convert to fraction form
    39,203,320.32/54,100,626.99 = 21,799,291.87/x
  3. Step 3: Cross multiply
    39,203,320.32x = 54,100,626.99 × 21,799,291.87
  4. Step 4: Simplify right side
    39,203,320.32x = 1,179,355,358,105,009.75
  5. Step 5: Solve for x
    x = 1,179,355,358,105,009.75/39,203,320.32
  6. Step 6: Final answer
    x = 30,083,047.77

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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.