Home / 26,298,021.60-39,447,032.40-21,515,052.60

Finding the Fourth Proportional to 26,298,021.60, 39,447,032.40 and 21,515,052.60

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Solution

The fourth proportional to 26,298,021.60, 39,447,032.40 and 21,515,052.60 is: 32,272,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298,021.60 : 39,447,032.40 = 21,515,052.60 : x
  2. Step 2: Convert to fraction form
    26,298,021.60/39,447,032.40 = 21,515,052.60/x
  3. Step 3: Cross multiply
    26,298,021.60x = 39,447,032.40 × 21,515,052.60
  4. Step 4: Simplify right side
    26,298,021.60x = 848,704,976,999,904.25
  5. Step 5: Solve for x
    x = 848,704,976,999,904.25/26,298,021.60
  6. Step 6: Final answer
    x = 32,272,578.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.