Home / 12,307,913.28-18,462,657.24-4,734,879.03

Finding the Fourth Proportional to 12,307,913.28, 18,462,657.24 and 4,734,879.03

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Solution

The fourth proportional to 12,307,913.28, 18,462,657.24 and 4,734,879.03 is: 7,102,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,913.28 : 18,462,657.24 = 4,734,879.03 : x
  2. Step 2: Convert to fraction form
    12,307,913.28/18,462,657.24 = 4,734,879.03/x
  3. Step 3: Cross multiply
    12,307,913.28x = 18,462,657.24 × 4,734,879.03
  4. Step 4: Simplify right side
    12,307,913.28x = 87,418,448,603,753.67
  5. Step 5: Solve for x
    x = 87,418,448,603,753.67/12,307,913.28
  6. Step 6: Final answer
    x = 7,102,621.43

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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.