Home / 8,955,693.78-12,358,003.39-5,235,394.60

Finding the Fourth Proportional to 8,955,693.78, 12,358,003.39 and 5,235,394.60

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Solution

The fourth proportional to 8,955,693.78, 12,358,003.39 and 5,235,394.60 is: 7,224,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955,693.78 : 12,358,003.39 = 5,235,394.60 : x
  2. Step 2: Convert to fraction form
    8,955,693.78/12,358,003.39 = 5,235,394.60/x
  3. Step 3: Cross multiply
    8,955,693.78x = 12,358,003.39 × 5,235,394.60
  4. Step 4: Simplify right side
    8,955,693.78x = 64,699,024,152,997.68
  5. Step 5: Solve for x
    x = 64,699,024,152,997.68/8,955,693.78
  6. Step 6: Final answer
    x = 7,224,345.29

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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.