Home / 18,798,677.79-28,192,276.30-13,000,136.73

Finding the Fourth Proportional to 18,798,677.79, 28,192,276.30 and 13,000,136.73

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Solution

The fourth proportional to 18,798,677.79, 28,192,276.30 and 13,000,136.73 is: 19,496,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798,677.79 : 28,192,276.30 = 13,000,136.73 : x
  2. Step 2: Convert to fraction form
    18,798,677.79/28,192,276.30 = 13,000,136.73/x
  3. Step 3: Cross multiply
    18,798,677.79x = 28,192,276.30 × 13,000,136.73
  4. Step 4: Simplify right side
    18,798,677.79x = 366,503,446,629,938.50
  5. Step 5: Solve for x
    x = 366,503,446,629,938.50/18,798,677.79
  6. Step 6: Final answer
    x = 19,496,235.36

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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.