Home / 14,131,826.80-21,197,740.20-13,187,042.80

Finding the Fourth Proportional to 14,131,826.80, 21,197,740.20 and 13,187,042.80

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Solution

The fourth proportional to 14,131,826.80, 21,197,740.20 and 13,187,042.80 is: 19,780,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,826.80 : 21,197,740.20 = 13,187,042.80 : x
  2. Step 2: Convert to fraction form
    14,131,826.80/21,197,740.20 = 13,187,042.80/x
  3. Step 3: Cross multiply
    14,131,826.80x = 21,197,740.20 × 13,187,042.80
  4. Step 4: Simplify right side
    14,131,826.80x = 279,535,507,280,680.56
  5. Step 5: Solve for x
    x = 279,535,507,280,680.56/14,131,826.80
  6. Step 6: Final answer
    x = 19,780,564.20

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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.