Home / 12,997,183.06-17,937,316.13-7,195,964.80

Finding the Fourth Proportional to 12,997,183.06, 17,937,316.13 and 7,195,964.80

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Solution

The fourth proportional to 12,997,183.06, 17,937,316.13 and 7,195,964.80 is: 9,931,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,183.06 : 17,937,316.13 = 7,195,964.80 : x
  2. Step 2: Convert to fraction form
    12,997,183.06/17,937,316.13 = 7,195,964.80/x
  3. Step 3: Cross multiply
    12,997,183.06x = 17,937,316.13 × 7,195,964.80
  4. Step 4: Simplify right side
    12,997,183.06x = 129,076,295,477,952.22
  5. Step 5: Solve for x
    x = 129,076,295,477,952.22/12,997,183.06
  6. Step 6: Final answer
    x = 9,931,097.75

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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.