Home / 12,997,231.14-17,937,382.57-7,196,012.97

Finding the Fourth Proportional to 12,997,231.14, 17,937,382.57 and 7,196,012.97

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Solution

The fourth proportional to 12,997,231.14, 17,937,382.57 and 7,196,012.97 is: 9,931,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,231.14 : 17,937,382.57 = 7,196,012.97 : x
  2. Step 2: Convert to fraction form
    12,997,231.14/17,937,382.57 = 7,196,012.97/x
  3. Step 3: Cross multiply
    12,997,231.14x = 17,937,382.57 × 7,196,012.97
  4. Step 4: Simplify right side
    12,997,231.14x = 129,077,637,536,316.70
  5. Step 5: Solve for x
    x = 129,077,637,536,316.70/12,997,231.14
  6. Step 6: Final answer
    x = 9,931,164.27

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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.