Home / 11,097,713.20-16,628,855.10-9,290,813.80

Finding the Fourth Proportional to 11,097,713.20, 16,628,855.10 and 9,290,813.80

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Solution

The fourth proportional to 11,097,713.20, 16,628,855.10 and 9,290,813.80 is: 13,921,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097,713.20 : 16,628,855.10 = 9,290,813.80 : x
  2. Step 2: Convert to fraction form
    11,097,713.20/16,628,855.10 = 9,290,813.80/x
  3. Step 3: Cross multiply
    11,097,713.20x = 16,628,855.10 × 9,290,813.80
  4. Step 4: Simplify right side
    11,097,713.20x = 154,495,596,441,280.38
  5. Step 5: Solve for x
    x = 154,495,596,441,280.38/11,097,713.20
  6. Step 6: Final answer
    x = 13,921,390.26

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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.