Home / 10,863,605.40-16,295,408.10-9,109,850.10

Finding the Fourth Proportional to 10,863,605.40, 16,295,408.10 and 9,109,850.10

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Solution

The fourth proportional to 10,863,605.40, 16,295,408.10 and 9,109,850.10 is: 13,664,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,605.40 : 16,295,408.10 = 9,109,850.10 : x
  2. Step 2: Convert to fraction form
    10,863,605.40/16,295,408.10 = 9,109,850.10/x
  3. Step 3: Cross multiply
    10,863,605.40x = 16,295,408.10 × 9,109,850.10
  4. Step 4: Simplify right side
    10,863,605.40x = 148,448,725,109,325.81
  5. Step 5: Solve for x
    x = 148,448,725,109,325.81/10,863,605.40
  6. Step 6: Final answer
    x = 13,664,775.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.