Home / 18,333,514.16-27,609,950.88-16,699,111.28

Finding the Fourth Proportional to 18,333,514.16, 27,609,950.88 and 16,699,111.28

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Solution

The fourth proportional to 18,333,514.16, 27,609,950.88 and 16,699,111.28 is: 25,148,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333,514.16 : 27,609,950.88 = 16,699,111.28 : x
  2. Step 2: Convert to fraction form
    18,333,514.16/27,609,950.88 = 16,699,111.28/x
  3. Step 3: Cross multiply
    18,333,514.16x = 27,609,950.88 × 16,699,111.28
  4. Step 4: Simplify right side
    18,333,514.16x = 461,061,642,180,453.88
  5. Step 5: Solve for x
    x = 461,061,642,180,453.88/18,333,514.16
  6. Step 6: Final answer
    x = 25,148,568.80

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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.