Home / 39,861,374.64-55,008,696.72-21,526,660.32

Finding the Fourth Proportional to 39,861,374.64, 55,008,696.72 and 21,526,660.32

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Solution

The fourth proportional to 39,861,374.64, 55,008,696.72 and 21,526,660.32 is: 29,706,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861,374.64 : 55,008,696.72 = 21,526,660.32 : x
  2. Step 2: Convert to fraction form
    39,861,374.64/55,008,696.72 = 21,526,660.32/x
  3. Step 3: Cross multiply
    39,861,374.64x = 55,008,696.72 × 21,526,660.32
  4. Step 4: Simplify right side
    39,861,374.64x = 1,184,153,528,937,338.25
  5. Step 5: Solve for x
    x = 1,184,153,528,937,338.25/39,861,374.64
  6. Step 6: Final answer
    x = 29,706,791.09

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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.