Home / 20,449,406.04-28,222,661.12-14,940,023.68

Finding the Fourth Proportional to 20,449,406.04, 28,222,661.12 and 14,940,023.68

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Solution

The fourth proportional to 20,449,406.04, 28,222,661.12 and 14,940,023.68 is: 20,619,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449,406.04 : 28,222,661.12 = 14,940,023.68 : x
  2. Step 2: Convert to fraction form
    20,449,406.04/28,222,661.12 = 14,940,023.68/x
  3. Step 3: Cross multiply
    20,449,406.04x = 28,222,661.12 × 14,940,023.68
  4. Step 4: Simplify right side
    20,449,406.04x = 421,647,225,445,415.31
  5. Step 5: Solve for x
    x = 421,647,225,445,415.31/20,449,406.04
  6. Step 6: Final answer
    x = 20,619,045.10

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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.