Home / 14,121,007.80-21,181,511.70-3,885,847.80

Finding the Fourth Proportional to 14,121,007.80, 21,181,511.70 and 3,885,847.80

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Solution

The fourth proportional to 14,121,007.80, 21,181,511.70 and 3,885,847.80 is: 5,828,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,007.80 : 21,181,511.70 = 3,885,847.80 : x
  2. Step 2: Convert to fraction form
    14,121,007.80/21,181,511.70 = 3,885,847.80/x
  3. Step 3: Cross multiply
    14,121,007.80x = 21,181,511.70 × 3,885,847.80
  4. Step 4: Simplify right side
    14,121,007.80x = 82,308,130,640,119.25
  5. Step 5: Solve for x
    x = 82,308,130,640,119.25/14,121,007.80
  6. Step 6: Final answer
    x = 5,828,771.70

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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.