Home / 20,455,931.24-28,229,783.58-11,164,097.27

Finding the Fourth Proportional to 20,455,931.24, 28,229,783.58 and 11,164,097.27

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Solution

The fourth proportional to 20,455,931.24, 28,229,783.58 and 11,164,097.27 is: 15,406,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,931.24 : 28,229,783.58 = 11,164,097.27 : x
  2. Step 2: Convert to fraction form
    20,455,931.24/28,229,783.58 = 11,164,097.27/x
  3. Step 3: Cross multiply
    20,455,931.24x = 28,229,783.58 × 11,164,097.27
  4. Step 4: Simplify right side
    20,455,931.24x = 315,160,049,868,743.31
  5. Step 5: Solve for x
    x = 315,160,049,868,743.31/20,455,931.24
  6. Step 6: Final answer
    x = 15,406,780.86

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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.