Home / 19,246,848.09-28,870,331.37-4,869,912.87

Finding the Fourth Proportional to 19,246,848.09, 28,870,331.37 and 4,869,912.87

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Solution

The fourth proportional to 19,246,848.09, 28,870,331.37 and 4,869,912.87 is: 7,304,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246,848.09 : 28,870,331.37 = 4,869,912.87 : x
  2. Step 2: Convert to fraction form
    19,246,848.09/28,870,331.37 = 4,869,912.87/x
  3. Step 3: Cross multiply
    19,246,848.09x = 28,870,331.37 × 4,869,912.87
  4. Step 4: Simplify right side
    19,246,848.09x = 140,595,998,299,927.73
  5. Step 5: Solve for x
    x = 140,595,998,299,927.73/19,246,848.09
  6. Step 6: Final answer
    x = 7,304,884.29

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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.