Home / 13,487,832.32-18,613,651.43-7,376,260.82

Finding the Fourth Proportional to 13,487,832.32, 18,613,651.43 and 7,376,260.82

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Solution

The fourth proportional to 13,487,832.32, 18,613,651.43 and 7,376,260.82 is: 10,179,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,832.32 : 18,613,651.43 = 7,376,260.82 : x
  2. Step 2: Convert to fraction form
    13,487,832.32/18,613,651.43 = 7,376,260.82/x
  3. Step 3: Cross multiply
    13,487,832.32x = 18,613,651.43 × 7,376,260.82
  4. Step 4: Simplify right side
    13,487,832.32x = 137,299,147,685,618.38
  5. Step 5: Solve for x
    x = 137,299,147,685,618.38/13,487,832.32
  6. Step 6: Final answer
    x = 10,179,482.10

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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.