Home / 18,333,515.16-27,609,952.39-16,699,112.28

Finding the Fourth Proportional to 18,333,515.16, 27,609,952.39 and 16,699,112.28

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Solution

The fourth proportional to 18,333,515.16, 27,609,952.39 and 16,699,112.28 is: 25,148,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333,515.16 : 27,609,952.39 = 16,699,112.28 : x
  2. Step 2: Convert to fraction form
    18,333,515.16/27,609,952.39 = 16,699,112.28/x
  3. Step 3: Cross multiply
    18,333,515.16x = 27,609,952.39 × 16,699,112.28
  4. Step 4: Simplify right side
    18,333,515.16x = 461,061,695,006,064.31
  5. Step 5: Solve for x
    x = 461,061,695,006,064.31/18,333,515.16
  6. Step 6: Final answer
    x = 25,148,570.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.