Home / 8,294,596.50-12,441,894.75-1,990,852.50

Finding the Fourth Proportional to 8,294,596.50, 12,441,894.75 and 1,990,852.50

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Solution

The fourth proportional to 8,294,596.50, 12,441,894.75 and 1,990,852.50 is: 2,986,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294,596.50 : 12,441,894.75 = 1,990,852.50 : x
  2. Step 2: Convert to fraction form
    8,294,596.50/12,441,894.75 = 1,990,852.50/x
  3. Step 3: Cross multiply
    8,294,596.50x = 12,441,894.75 × 1,990,852.50
  4. Step 4: Simplify right side
    8,294,596.50x = 24,769,977,267,774.38
  5. Step 5: Solve for x
    x = 24,769,977,267,774.38/8,294,596.50
  6. Step 6: Final answer
    x = 2,986,278.75

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Similar ratio
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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.