Home / 8,196,297.90-12,295,043.55-3,147,608.40

Finding the Fourth Proportional to 8,196,297.90, 12,295,043.55 and 3,147,608.40

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Solution

The fourth proportional to 8,196,297.90, 12,295,043.55 and 3,147,608.40 is: 4,721,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,297.90 : 12,295,043.55 = 3,147,608.40 : x
  2. Step 2: Convert to fraction form
    8,196,297.90/12,295,043.55 = 3,147,608.40/x
  3. Step 3: Cross multiply
    8,196,297.90x = 12,295,043.55 × 3,147,608.40
  4. Step 4: Simplify right side
    8,196,297.90x = 38,699,982,356,345.82
  5. Step 5: Solve for x
    x = 38,699,982,356,345.82/8,196,297.90
  6. Step 6: Final answer
    x = 4,721,641.75

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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.