Home / 12,307,940.16-18,462,697.56-4,734,905.91

Finding the Fourth Proportional to 12,307,940.16, 18,462,697.56 and 4,734,905.91

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Solution

The fourth proportional to 12,307,940.16, 18,462,697.56 and 4,734,905.91 is: 7,102,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,940.16 : 18,462,697.56 = 4,734,905.91 : x
  2. Step 2: Convert to fraction form
    12,307,940.16/18,462,697.56 = 4,734,905.91/x
  3. Step 3: Cross multiply
    12,307,940.16x = 18,462,697.56 × 4,734,905.91
  4. Step 4: Simplify right side
    12,307,940.16x = 87,419,135,791,386.58
  5. Step 5: Solve for x
    x = 87,419,135,791,386.58/12,307,940.16
  6. Step 6: Final answer
    x = 7,102,661.75

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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.