Home / 20,312,159.86-28,030,777.58-11,610,519.32

Finding the Fourth Proportional to 20,312,159.86, 28,030,777.58 and 11,610,519.32

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Solution

The fourth proportional to 20,312,159.86, 28,030,777.58 and 11,610,519.32 is: 16,022,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312,159.86 : 28,030,777.58 = 11,610,519.32 : x
  2. Step 2: Convert to fraction form
    20,312,159.86/28,030,777.58 = 11,610,519.32/x
  3. Step 3: Cross multiply
    20,312,159.86x = 28,030,777.58 × 11,610,519.32
  4. Step 4: Simplify right side
    20,312,159.86x = 325,451,884,647,212.81
  5. Step 5: Solve for x
    x = 325,451,884,647,212.81/20,312,159.86
  6. Step 6: Final answer
    x = 16,022,514.93

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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.