Home / 12,304,587.27-18,446,888.70-5,121,497.87

Finding the Fourth Proportional to 12,304,587.27, 18,446,888.70 and 5,121,497.87

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Solution

The fourth proportional to 12,304,587.27, 18,446,888.70 and 5,121,497.87 is: 7,678,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304,587.27 : 18,446,888.70 = 5,121,497.87 : x
  2. Step 2: Convert to fraction form
    12,304,587.27/18,446,888.70 = 5,121,497.87/x
  3. Step 3: Cross multiply
    12,304,587.27x = 18,446,888.70 × 5,121,497.87
  4. Step 4: Simplify right side
    12,304,587.27x = 94,475,701,092,942.62
  5. Step 5: Solve for x
    x = 94,475,701,092,942.62/12,304,587.27
  6. Step 6: Final answer
    x = 7,678,087.77

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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.