Home / 14,014,739.80-21,022,109.70-11,180,387.80

Finding the Fourth Proportional to 14,014,739.80, 21,022,109.70 and 11,180,387.80

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Solution

The fourth proportional to 14,014,739.80, 21,022,109.70 and 11,180,387.80 is: 16,770,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014,739.80 : 21,022,109.70 = 11,180,387.80 : x
  2. Step 2: Convert to fraction form
    14,014,739.80/21,022,109.70 = 11,180,387.80/x
  3. Step 3: Cross multiply
    14,014,739.80x = 21,022,109.70 × 11,180,387.80
  4. Step 4: Simplify right side
    14,014,739.80x = 235,035,338,820,141.66
  5. Step 5: Solve for x
    x = 235,035,338,820,141.66/14,014,739.80
  6. Step 6: Final answer
    x = 16,770,581.70

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1.5x scale

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.