Home / 13,783,818.48-20,674,545-8,391,069.36

Finding the Fourth Proportional to 13,783,818.48, 20,674,545 and 8,391,069.36

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Solution

The fourth proportional to 13,783,818.48, 20,674,545 and 8,391,069.36 is: 12,585,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783,818.48 : 20,674,545 = 8,391,069.36 : x
  2. Step 2: Convert to fraction form
    13,783,818.48/20,674,545 = 8,391,069.36/x
  3. Step 3: Cross multiply
    13,783,818.48x = 20,674,545 × 8,391,069.36
  4. Step 4: Simplify right side
    13,783,818.48x = 173,481,541,081,441.19
  5. Step 5: Solve for x
    x = 173,481,541,081,441.19/13,783,818.48
  6. Step 6: Final answer
    x = 12,585,884.04

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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.