Home / 12,997,699.56-17,937,385.74-7,196,481.09

Finding the Fourth Proportional to 12,997,699.56, 17,937,385.74 and 7,196,481.09

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Solution

The fourth proportional to 12,997,699.56, 17,937,385.74 and 7,196,481.09 is: 9,931,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,699.56 : 17,937,385.74 = 7,196,481.09 : x
  2. Step 2: Convert to fraction form
    12,997,699.56/17,937,385.74 = 7,196,481.09/x
  3. Step 3: Cross multiply
    12,997,699.56x = 17,937,385.74 × 7,196,481.09
  4. Step 4: Simplify right side
    12,997,699.56x = 129,086,057,281,945.64
  5. Step 5: Solve for x
    x = 129,086,057,281,945.64/12,997,699.56
  6. Step 6: Final answer
    x = 9,931,454.15

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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.