Home / 18,100,828.80-27,151,243.20-10,448,078.40

Finding the Fourth Proportional to 18,100,828.80, 27,151,243.20 and 10,448,078.40

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Solution

The fourth proportional to 18,100,828.80, 27,151,243.20 and 10,448,078.40 is: 15,672,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,828.80 : 27,151,243.20 = 10,448,078.40 : x
  2. Step 2: Convert to fraction form
    18,100,828.80/27,151,243.20 = 10,448,078.40/x
  3. Step 3: Cross multiply
    18,100,828.80x = 27,151,243.20 × 10,448,078.40
  4. Step 4: Simplify right side
    18,100,828.80x = 283,678,317,611,066.88
  5. Step 5: Solve for x
    x = 283,678,317,611,066.88/18,100,828.80
  6. Step 6: Final answer
    x = 15,672,117.60

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1.5x scale

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.