Home / 18,816,068.40-28,224,102.60-11,152,042.80

Finding the Fourth Proportional to 18,816,068.40, 28,224,102.60 and 11,152,042.80

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Solution

The fourth proportional to 18,816,068.40, 28,224,102.60 and 11,152,042.80 is: 16,728,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816,068.40 : 28,224,102.60 = 11,152,042.80 : x
  2. Step 2: Convert to fraction form
    18,816,068.40/28,224,102.60 = 11,152,042.80/x
  3. Step 3: Cross multiply
    18,816,068.40x = 28,224,102.60 × 11,152,042.80
  4. Step 4: Simplify right side
    18,816,068.40x = 314,756,400,186,791.31
  5. Step 5: Solve for x
    x = 314,756,400,186,791.31/18,816,068.40
  6. Step 6: Final answer
    x = 16,728,064.20

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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.