Home / 10,890,153.60-16,331,422.40-3,211,761.76

Finding the Fourth Proportional to 10,890,153.60, 16,331,422.40 and 3,211,761.76

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Solution

The fourth proportional to 10,890,153.60, 16,331,422.40 and 3,211,761.76 is: 4,816,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,153.60 : 16,331,422.40 = 3,211,761.76 : x
  2. Step 2: Convert to fraction form
    10,890,153.60/16,331,422.40 = 3,211,761.76/x
  3. Step 3: Cross multiply
    10,890,153.60x = 16,331,422.40 × 3,211,761.76
  4. Step 4: Simplify right side
    10,890,153.60x = 52,452,637,950,727.42
  5. Step 5: Solve for x
    x = 52,452,637,950,727.42/10,890,153.60
  6. Step 6: Final answer
    x = 4,816,519.57

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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.