Home / 19,553,555.40-29,330,333.10-12,396,816.60

Finding the Fourth Proportional to 19,553,555.40, 29,330,333.10 and 12,396,816.60

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Solution

The fourth proportional to 19,553,555.40, 29,330,333.10 and 12,396,816.60 is: 18,595,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553,555.40 : 29,330,333.10 = 12,396,816.60 : x
  2. Step 2: Convert to fraction form
    19,553,555.40/29,330,333.10 = 12,396,816.60/x
  3. Step 3: Cross multiply
    19,553,555.40x = 29,330,333.10 × 12,396,816.60
  4. Step 4: Simplify right side
    19,553,555.40x = 363,602,760,257,609.44
  5. Step 5: Solve for x
    x = 363,602,760,257,609.44/19,553,555.40
  6. Step 6: Final answer
    x = 18,595,224.90

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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.