Home / 12,997,382.64-17,936,577-7,487,717.28

Finding the Fourth Proportional to 12,997,382.64, 17,936,577 and 7,487,717.28

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Solution

The fourth proportional to 12,997,382.64, 17,936,577 and 7,487,717.28 is: 10,333,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,382.64 : 17,936,577 = 7,487,717.28 : x
  2. Step 2: Convert to fraction form
    12,997,382.64/17,936,577 = 7,487,717.28/x
  3. Step 3: Cross multiply
    12,997,382.64x = 17,936,577 × 7,487,717.28
  4. Step 4: Simplify right side
    12,997,382.64x = 134,304,017,546,950.56
  5. Step 5: Solve for x
    x = 134,304,017,546,950.56/12,997,382.64
  6. Step 6: Final answer
    x = 10,333,158.70

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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.