Home / 20,316,112.70-28,034,855.24-11,149,345.94

Finding the Fourth Proportional to 20,316,112.70, 28,034,855.24 and 11,149,345.94

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Solution

The fourth proportional to 20,316,112.70, 28,034,855.24 and 11,149,345.94 is: 15,385,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316,112.70 : 28,034,855.24 = 11,149,345.94 : x
  2. Step 2: Convert to fraction form
    20,316,112.70/28,034,855.24 = 11,149,345.94/x
  3. Step 3: Cross multiply
    20,316,112.70x = 28,034,855.24 × 11,149,345.94
  4. Step 4: Simplify right side
    20,316,112.70x = 312,570,299,462,922.12
  5. Step 5: Solve for x
    x = 312,570,299,462,922.12/20,316,112.70
  6. Step 6: Final answer
    x = 15,385,339.90

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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.