Home / 18,842,028.60-28,231,550.10-16,133,647.80

Finding the Fourth Proportional to 18,842,028.60, 28,231,550.10 and 16,133,647.80

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Solution

The fourth proportional to 18,842,028.60, 28,231,550.10 and 16,133,647.80 is: 24,173,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842,028.60 : 28,231,550.10 = 16,133,647.80 : x
  2. Step 2: Convert to fraction form
    18,842,028.60/28,231,550.10 = 16,133,647.80/x
  3. Step 3: Cross multiply
    18,842,028.60x = 28,231,550.10 × 16,133,647.80
  4. Step 4: Simplify right side
    18,842,028.60x = 455,477,886,161,454.81
  5. Step 5: Solve for x
    x = 455,477,886,161,454.81/18,842,028.60
  6. Step 6: Final answer
    x = 24,173,505.72

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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.