Home / 13,555,558.02-18,690,865.79-10,111,820.34

Finding the Fourth Proportional to 13,555,558.02, 18,690,865.79 and 10,111,820.34

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Solution

The fourth proportional to 13,555,558.02, 18,690,865.79 and 10,111,820.34 is: 13,942,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,558.02 : 18,690,865.79 = 10,111,820.34 : x
  2. Step 2: Convert to fraction form
    13,555,558.02/18,690,865.79 = 10,111,820.34/x
  3. Step 3: Cross multiply
    13,555,558.02x = 18,690,865.79 × 10,111,820.34
  4. Step 4: Simplify right side
    13,555,558.02x = 188,998,676,816,973.06
  5. Step 5: Solve for x
    x = 188,998,676,816,973.06/13,555,558.02
  6. Step 6: Final answer
    x = 13,942,522.80

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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.