Home / 15,458,938.20-23,169,744.90-7,882,003.80

Finding the Fourth Proportional to 15,458,938.20, 23,169,744.90 and 7,882,003.80

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Solution

The fourth proportional to 15,458,938.20, 23,169,744.90 and 7,882,003.80 is: 11,813,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,938.20 : 23,169,744.90 = 7,882,003.80 : x
  2. Step 2: Convert to fraction form
    15,458,938.20/23,169,744.90 = 7,882,003.80/x
  3. Step 3: Cross multiply
    15,458,938.20x = 23,169,744.90 × 7,882,003.80
  4. Step 4: Simplify right side
    15,458,938.20x = 182,624,017,346,830.59
  5. Step 5: Solve for x
    x = 182,624,017,346,830.59/15,458,938.20
  6. Step 6: Final answer
    x = 11,813,490.36

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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.