Home / 39,861,240.60-55,008,512.44-21,526,526.10

Finding the Fourth Proportional to 39,861,240.60, 55,008,512.44 and 21,526,526.10

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Solution

The fourth proportional to 39,861,240.60, 55,008,512.44 and 21,526,526.10 is: 29,706,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,240.60 : 55,008,512.44 = 21,526,526.10 : x
  2. Step 2: Convert to fraction form
    39,861,240.60/55,008,512.44 = 21,526,526.10/x
  3. Step 3: Cross multiply
    39,861,240.60x = 55,008,512.44 × 21,526,526.10
  4. Step 4: Simplify right side
    39,861,240.60x = 1,184,142,178,761,834.75
  5. Step 5: Solve for x
    x = 1,184,142,178,761,834.75/39,861,240.60
  6. Step 6: Final answer
    x = 29,706,606.24

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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.