Home / 20,436,354.27-28,201,565.48-11,268,994.59

Finding the Fourth Proportional to 20,436,354.27, 28,201,565.48 and 11,268,994.59

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Solution

The fourth proportional to 20,436,354.27, 28,201,565.48 and 11,268,994.59 is: 15,550,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436,354.27 : 28,201,565.48 = 11,268,994.59 : x
  2. Step 2: Convert to fraction form
    20,436,354.27/28,201,565.48 = 11,268,994.59/x
  3. Step 3: Cross multiply
    20,436,354.27x = 28,201,565.48 × 11,268,994.59
  4. Step 4: Simplify right side
    20,436,354.27x = 317,803,288,767,305.81
  5. Step 5: Solve for x
    x = 317,803,288,767,305.81/20,436,354.27
  6. Step 6: Final answer
    x = 15,550,879.80

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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.