Home / 19,989,555.65-27,585,769.32-11,729,755.58

Finding the Fourth Proportional to 19,989,555.65, 27,585,769.32 and 11,729,755.58

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Solution

The fourth proportional to 19,989,555.65, 27,585,769.32 and 11,729,755.58 is: 16,187,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,555.65 : 27,585,769.32 = 11,729,755.58 : x
  2. Step 2: Convert to fraction form
    19,989,555.65/27,585,769.32 = 11,729,755.58/x
  3. Step 3: Cross multiply
    19,989,555.65x = 27,585,769.32 × 11,729,755.58
  4. Step 4: Simplify right side
    19,989,555.65x = 323,574,331,609,862.81
  5. Step 5: Solve for x
    x = 323,574,331,609,862.81/19,989,555.65
  6. Step 6: Final answer
    x = 16,187,169.80

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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.