Home / 15,065,794.02-20,789,912.88-8,190,215.94

Finding the Fourth Proportional to 15,065,794.02, 20,789,912.88 and 8,190,215.94

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Solution

The fourth proportional to 15,065,794.02, 20,789,912.88 and 8,190,215.94 is: 11,302,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,065,794.02 : 20,789,912.88 = 8,190,215.94 : x
  2. Step 2: Convert to fraction form
    15,065,794.02/20,789,912.88 = 8,190,215.94/x
  3. Step 3: Cross multiply
    15,065,794.02x = 20,789,912.88 × 8,190,215.94
  4. Step 4: Simplify right side
    15,065,794.02x = 170,273,875,860,987.31
  5. Step 5: Solve for x
    x = 170,273,875,860,987.31/15,065,794.02
  6. Step 6: Final answer
    x = 11,302,018.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.