Home / 13,321,385.97-19,946,151.45-8,698,921.58

Finding the Fourth Proportional to 13,321,385.97, 19,946,151.45 and 8,698,921.58

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Solution

The fourth proportional to 13,321,385.97, 19,946,151.45 and 8,698,921.58 is: 13,024,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,385.97 : 19,946,151.45 = 8,698,921.58 : x
  2. Step 2: Convert to fraction form
    13,321,385.97/19,946,151.45 = 8,698,921.58/x
  3. Step 3: Cross multiply
    13,321,385.97x = 19,946,151.45 × 8,698,921.58
  4. Step 4: Simplify right side
    13,321,385.97x = 173,510,007,186,622.50
  5. Step 5: Solve for x
    x = 173,510,007,186,622.50/13,321,385.97
  6. Step 6: Final answer
    x = 13,024,921.55

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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.