Home / 7,831,326.72-11,758,521.45-4,379,828.67

Finding the Fourth Proportional to 7,831,326.72, 11,758,521.45 and 4,379,828.67

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Solution

The fourth proportional to 7,831,326.72, 11,758,521.45 and 4,379,828.67 is: 6,576,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,326.72 : 11,758,521.45 = 4,379,828.67 : x
  2. Step 2: Convert to fraction form
    7,831,326.72/11,758,521.45 = 4,379,828.67/x
  3. Step 3: Cross multiply
    7,831,326.72x = 11,758,521.45 × 4,379,828.67
  4. Step 4: Simplify right side
    7,831,326.72x = 51,500,309,363,519.97
  5. Step 5: Solve for x
    x = 51,500,309,363,519.97/7,831,326.72
  6. Step 6: Final answer
    x = 6,576,192.16

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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.