Home / 10,354,896.12-15,531,294.42-2,780,877.72

Finding the Fourth Proportional to 10,354,896.12, 15,531,294.42 and 2,780,877.72

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Solution

The fourth proportional to 10,354,896.12, 15,531,294.42 and 2,780,877.72 is: 4,171,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354,896.12 : 15,531,294.42 = 2,780,877.72 : x
  2. Step 2: Convert to fraction form
    10,354,896.12/15,531,294.42 = 2,780,877.72/x
  3. Step 3: Cross multiply
    10,354,896.12x = 15,531,294.42 × 2,780,877.72
  4. Step 4: Simplify right side
    10,354,896.12x = 43,190,630,615,338.33
  5. Step 5: Solve for x
    x = 43,190,630,615,338.33/10,354,896.12
  6. Step 6: Final answer
    x = 4,171,034.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.