Home / 11,097,711.20-16,628,852.10-9,290,811.80

Finding the Fourth Proportional to 11,097,711.20, 16,628,852.10 and 9,290,811.80

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Solution

The fourth proportional to 11,097,711.20, 16,628,852.10 and 9,290,811.80 is: 13,921,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097,711.20 : 16,628,852.10 = 9,290,811.80 : x
  2. Step 2: Convert to fraction form
    11,097,711.20/16,628,852.10 = 9,290,811.80/x
  3. Step 3: Cross multiply
    11,097,711.20x = 16,628,852.10 × 9,290,811.80
  4. Step 4: Simplify right side
    11,097,711.20x = 154,495,535,311,134.78
  5. Step 5: Solve for x
    x = 154,495,535,311,134.78/11,097,711.20
  6. Step 6: Final answer
    x = 13,921,387.26

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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.