Home / 18,053,768.80-27,084,152.40-9,078,320.80

Finding the Fourth Proportional to 18,053,768.80, 27,084,152.40 and 9,078,320.80

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Solution

The fourth proportional to 18,053,768.80, 27,084,152.40 and 9,078,320.80 is: 13,619,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053,768.80 : 27,084,152.40 = 9,078,320.80 : x
  2. Step 2: Convert to fraction form
    18,053,768.80/27,084,152.40 = 9,078,320.80/x
  3. Step 3: Cross multiply
    18,053,768.80x = 27,084,152.40 × 9,078,320.80
  4. Step 4: Simplify right side
    18,053,768.80x = 245,878,624,083,289.94
  5. Step 5: Solve for x
    x = 245,878,624,083,289.94/18,053,768.80
  6. Step 6: Final answer
    x = 13,619,240.77

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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.