Home / 12,384,821.90-18,569,874.23-4,709,028.02

Finding the Fourth Proportional to 12,384,821.90, 18,569,874.23 and 4,709,028.02

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Solution

The fourth proportional to 12,384,821.90, 18,569,874.23 and 4,709,028.02 is: 7,060,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,821.90 : 18,569,874.23 = 4,709,028.02 : x
  2. Step 2: Convert to fraction form
    12,384,821.90/18,569,874.23 = 4,709,028.02/x
  3. Step 3: Cross multiply
    12,384,821.90x = 18,569,874.23 × 4,709,028.02
  4. Step 4: Simplify right side
    12,384,821.90x = 87,446,057,960,551.42
  5. Step 5: Solve for x
    x = 87,446,057,960,551.42/12,384,821.90
  6. Step 6: Final answer
    x = 7,060,744.08

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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.