Home / 21,384,007.70-32,076,011.55-11,818,069.70

Finding the Fourth Proportional to 21,384,007.70, 32,076,011.55 and 11,818,069.70

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Solution

The fourth proportional to 21,384,007.70, 32,076,011.55 and 11,818,069.70 is: 17,727,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,007.70 : 32,076,011.55 = 11,818,069.70 : x
  2. Step 2: Convert to fraction form
    21,384,007.70/32,076,011.55 = 11,818,069.70/x
  3. Step 3: Cross multiply
    21,384,007.70x = 32,076,011.55 × 11,818,069.70
  4. Step 4: Simplify right side
    21,384,007.70x = 379,076,540,195,905
  5. Step 5: Solve for x
    x = 379,076,540,195,905/21,384,007.70
  6. Step 6: Final answer
    x = 17,727,104.55

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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.