Home / 13,578,590.51-18,787,798.94-11,839,883.02

Finding the Fourth Proportional to 13,578,590.51, 18,787,798.94 and 11,839,883.02

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Solution

The fourth proportional to 13,578,590.51, 18,787,798.94 and 11,839,883.02 is: 16,382,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,590.51 : 18,787,798.94 = 11,839,883.02 : x
  2. Step 2: Convert to fraction form
    13,578,590.51/18,787,798.94 = 11,839,883.02/x
  3. Step 3: Cross multiply
    13,578,590.51x = 18,787,798.94 × 11,839,883.02
  4. Step 4: Simplify right side
    13,578,590.51x = 222,445,341,599,542.38
  5. Step 5: Solve for x
    x = 222,445,341,599,542.38/13,578,590.51
  6. Step 6: Final answer
    x = 16,382,064.21

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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.