Home / 15,358,059.86-21,193,996.61-8,388,741.84

Finding the Fourth Proportional to 15,358,059.86, 21,193,996.61 and 8,388,741.84

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Solution

The fourth proportional to 15,358,059.86, 21,193,996.61 and 8,388,741.84 is: 11,576,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358,059.86 : 21,193,996.61 = 8,388,741.84 : x
  2. Step 2: Convert to fraction form
    15,358,059.86/21,193,996.61 = 8,388,741.84/x
  3. Step 3: Cross multiply
    15,358,059.86x = 21,193,996.61 × 8,388,741.84
  4. Step 4: Simplify right side
    15,358,059.86x = 177,790,966,077,181.47
  5. Step 5: Solve for x
    x = 177,790,966,077,181.47/15,358,059.86
  6. Step 6: Final answer
    x = 11,576,394.92

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Double scale
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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.