Home / 19,330,456.60-28,991,106.78-7,205,611.96

Finding the Fourth Proportional to 19,330,456.60, 28,991,106.78 and 7,205,611.96

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Solution

The fourth proportional to 19,330,456.60, 28,991,106.78 and 7,205,611.96 is: 10,806,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330,456.60 : 28,991,106.78 = 7,205,611.96 : x
  2. Step 2: Convert to fraction form
    19,330,456.60/28,991,106.78 = 7,205,611.96/x
  3. Step 3: Cross multiply
    19,330,456.60x = 28,991,106.78 × 7,205,611.96
  4. Step 4: Simplify right side
    19,330,456.60x = 208,898,665,747,605.09
  5. Step 5: Solve for x
    x = 208,898,665,747,605.09/19,330,456.60
  6. Step 6: Final answer
    x = 10,806,711.40

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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.