Home / 16,581,195.60-24,890,455.80-12,811,390.80

Finding the Fourth Proportional to 16,581,195.60, 24,890,455.80 and 12,811,390.80

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Solution

The fourth proportional to 16,581,195.60, 24,890,455.80 and 12,811,390.80 is: 19,231,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581,195.60 : 24,890,455.80 = 12,811,390.80 : x
  2. Step 2: Convert to fraction form
    16,581,195.60/24,890,455.80 = 12,811,390.80/x
  3. Step 3: Cross multiply
    16,581,195.60x = 24,890,455.80 × 12,811,390.80
  4. Step 4: Simplify right side
    16,581,195.60x = 318,881,356,443,926.69
  5. Step 5: Solve for x
    x = 318,881,356,443,926.69/16,581,195.60
  6. Step 6: Final answer
    x = 19,231,505.62

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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.