Home / 18,116,114.40-27,153,176.40-7,328,080.80

Finding the Fourth Proportional to 18,116,114.40, 27,153,176.40 and 7,328,080.80

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Solution

The fourth proportional to 18,116,114.40, 27,153,176.40 and 7,328,080.80 is: 10,983,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116,114.40 : 27,153,176.40 = 7,328,080.80 : x
  2. Step 2: Convert to fraction form
    18,116,114.40/27,153,176.40 = 7,328,080.80/x
  3. Step 3: Cross multiply
    18,116,114.40x = 27,153,176.40 × 7,328,080.80
  4. Step 4: Simplify right side
    18,116,114.40x = 198,980,670,635,853.09
  5. Step 5: Solve for x
    x = 198,980,670,635,853.09/18,116,114.40
  6. Step 6: Final answer
    x = 10,983,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.