Home / 18,669,205.85-28,003,808.78-10,984,962.65

Finding the Fourth Proportional to 18,669,205.85, 28,003,808.78 and 10,984,962.65

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Solution

The fourth proportional to 18,669,205.85, 28,003,808.78 and 10,984,962.65 is: 16,477,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669,205.85 : 28,003,808.78 = 10,984,962.65 : x
  2. Step 2: Convert to fraction form
    18,669,205.85/28,003,808.78 = 10,984,962.65/x
  3. Step 3: Cross multiply
    18,669,205.85x = 28,003,808.78 × 10,984,962.65
  4. Step 4: Simplify right side
    18,669,205.85x = 307,620,793,451,117.25
  5. Step 5: Solve for x
    x = 307,620,793,451,117.25/18,669,205.85
  6. Step 6: Final answer
    x = 16,477,443.98

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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.