Home / 21,726,771.54-32,589,949.95-13,209,459.54

Finding the Fourth Proportional to 21,726,771.54, 32,589,949.95 and 13,209,459.54

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Solution

The fourth proportional to 21,726,771.54, 32,589,949.95 and 13,209,459.54 is: 19,814,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,771.54 : 32,589,949.95 = 13,209,459.54 : x
  2. Step 2: Convert to fraction form
    21,726,771.54/32,589,949.95 = 13,209,459.54/x
  3. Step 3: Cross multiply
    21,726,771.54x = 32,589,949.95 × 13,209,459.54
  4. Step 4: Simplify right side
    21,726,771.54x = 430,495,625,275,150
  5. Step 5: Solve for x
    x = 430,495,625,275,150/21,726,771.54
  6. Step 6: Final answer
    x = 19,814,063.24

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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.