Home / 12,562,401.10-18,843,601.65-10,507,495.90

Finding the Fourth Proportional to 12,562,401.10, 18,843,601.65 and 10,507,495.90

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Solution

The fourth proportional to 12,562,401.10, 18,843,601.65 and 10,507,495.90 is: 15,761,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,401.10 : 18,843,601.65 = 10,507,495.90 : x
  2. Step 2: Convert to fraction form
    12,562,401.10/18,843,601.65 = 10,507,495.90/x
  3. Step 3: Cross multiply
    12,562,401.10x = 18,843,601.65 × 10,507,495.90
  4. Step 4: Simplify right side
    12,562,401.10x = 197,999,067,078,608.22
  5. Step 5: Solve for x
    x = 197,999,067,078,608.22/12,562,401.10
  6. Step 6: Final answer
    x = 15,761,243.85

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1.5x scale

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.