Home / 13,379,482.10-18,464,192.82-7,499,224.97

Finding the Fourth Proportional to 13,379,482.10, 18,464,192.82 and 7,499,224.97

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Solution

The fourth proportional to 13,379,482.10, 18,464,192.82 and 7,499,224.97 is: 10,349,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379,482.10 : 18,464,192.82 = 7,499,224.97 : x
  2. Step 2: Convert to fraction form
    13,379,482.10/18,464,192.82 = 7,499,224.97/x
  3. Step 3: Cross multiply
    13,379,482.10x = 18,464,192.82 × 7,499,224.97
  4. Step 4: Simplify right side
    13,379,482.10x = 138,467,135,716,821.64
  5. Step 5: Solve for x
    x = 138,467,135,716,821.64/13,379,482.10
  6. Step 6: Final answer
    x = 10,349,214.92

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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.