Home / 10,787,706.30-16,170,673.05-5,388,051.90

Finding the Fourth Proportional to 10,787,706.30, 16,170,673.05 and 5,388,051.90

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Solution

The fourth proportional to 10,787,706.30, 16,170,673.05 and 5,388,051.90 is: 8,076,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,706.30 : 16,170,673.05 = 5,388,051.90 : x
  2. Step 2: Convert to fraction form
    10,787,706.30/16,170,673.05 = 5,388,051.90/x
  3. Step 3: Cross multiply
    10,787,706.30x = 16,170,673.05 × 5,388,051.90
  4. Step 4: Simplify right side
    10,787,706.30x = 87,128,425,651,331.31
  5. Step 5: Solve for x
    x = 87,128,425,651,331.31/10,787,706.30
  6. Step 6: Final answer
    x = 8,076,640.50

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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.