Home / 10,369,874.70-15,554,812.05-3,638,969.10

Finding the Fourth Proportional to 10,369,874.70, 15,554,812.05 and 3,638,969.10

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Solution

The fourth proportional to 10,369,874.70, 15,554,812.05 and 3,638,969.10 is: 5,458,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,874.70 : 15,554,812.05 = 3,638,969.10 : x
  2. Step 2: Convert to fraction form
    10,369,874.70/15,554,812.05 = 3,638,969.10/x
  3. Step 3: Cross multiply
    10,369,874.70x = 15,554,812.05 × 3,638,969.10
  4. Step 4: Simplify right side
    10,369,874.70x = 56,603,480,406,257.66
  5. Step 5: Solve for x
    x = 56,603,480,406,257.66/10,369,874.70
  6. Step 6: Final answer
    x = 5,458,453.65

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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.