Home / 19,318,087.80-28,995,794.10-11,759,815.80

Finding the Fourth Proportional to 19,318,087.80, 28,995,794.10 and 11,759,815.80

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Solution

The fourth proportional to 19,318,087.80, 28,995,794.10 and 11,759,815.80 is: 17,651,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,087.80 : 28,995,794.10 = 11,759,815.80 : x
  2. Step 2: Convert to fraction form
    19,318,087.80/28,995,794.10 = 11,759,815.80/x
  3. Step 3: Cross multiply
    19,318,087.80x = 28,995,794.10 × 11,759,815.80
  4. Step 4: Simplify right side
    19,318,087.80x = 340,985,197,590,726.81
  5. Step 5: Solve for x
    x = 340,985,197,590,726.81/19,318,087.80
  6. Step 6: Final answer
    x = 17,651,084.37

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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.