Home / 18,475,171.20-25,494,933.60-10,102,386.96

Finding the Fourth Proportional to 18,475,171.20, 25,494,933.60 and 10,102,386.96

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Solution

The fourth proportional to 18,475,171.20, 25,494,933.60 and 10,102,386.96 is: 13,940,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475,171.20 : 25,494,933.60 = 10,102,386.96 : x
  2. Step 2: Convert to fraction form
    18,475,171.20/25,494,933.60 = 10,102,386.96/x
  3. Step 3: Cross multiply
    18,475,171.20x = 25,494,933.60 × 10,102,386.96
  4. Step 4: Simplify right side
    18,475,171.20x = 257,559,684,746,705.91
  5. Step 5: Solve for x
    x = 257,559,684,746,705.91/18,475,171.20
  6. Step 6: Final answer
    x = 13,940,855.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.