Home / 20,449,402.04-28,222,655.60-14,940,019.68

Finding the Fourth Proportional to 20,449,402.04, 28,222,655.60 and 14,940,019.68

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Solution

The fourth proportional to 20,449,402.04, 28,222,655.60 and 14,940,019.68 is: 20,619,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,402.04 : 28,222,655.60 = 14,940,019.68 : x
  2. Step 2: Convert to fraction form
    20,449,402.04/28,222,655.60 = 14,940,019.68/x
  3. Step 3: Cross multiply
    20,449,402.04x = 28,222,655.60 × 14,940,019.68
  4. Step 4: Simplify right side
    20,449,402.04x = 421,647,030,085,862.25
  5. Step 5: Solve for x
    x = 421,647,030,085,862.25/20,449,402.04
  6. Step 6: Final answer
    x = 20,619,039.58

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1.5x scale

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.