Home / 12,307,939.16-18,462,696.06-4,734,904.91

Finding the Fourth Proportional to 12,307,939.16, 18,462,696.06 and 4,734,904.91

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Solution

The fourth proportional to 12,307,939.16, 18,462,696.06 and 4,734,904.91 is: 7,102,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,939.16 : 18,462,696.06 = 4,734,904.91 : x
  2. Step 2: Convert to fraction form
    12,307,939.16/18,462,696.06 = 4,734,904.91/x
  3. Step 3: Cross multiply
    12,307,939.16x = 18,462,696.06 × 4,734,904.91
  4. Step 4: Simplify right side
    12,307,939.16x = 87,419,110,226,331.66
  5. Step 5: Solve for x
    x = 87,419,110,226,331.66/12,307,939.16
  6. Step 6: Final answer
    x = 7,102,660.25

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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.