Home / 20,417,741.64-28,176,149.07-11,125,421.91

Finding the Fourth Proportional to 20,417,741.64, 28,176,149.07 and 11,125,421.91

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Solution

The fourth proportional to 20,417,741.64, 28,176,149.07 and 11,125,421.91 is: 15,352,900.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,741.64 : 28,176,149.07 = 11,125,421.91 : x
  2. Step 2: Convert to fraction form
    20,417,741.64/28,176,149.07 = 11,125,421.91/x
  3. Step 3: Cross multiply
    20,417,741.64x = 28,176,149.07 × 11,125,421.91
  4. Step 4: Simplify right side
    20,417,741.64x = 313,471,546,202,804.12
  5. Step 5: Solve for x
    x = 313,471,546,202,804.12/20,417,741.64
  6. Step 6: Final answer
    x = 15,352,900.03

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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.