Home / 14,272,896.20-21,409,344.30-13,122,739.40

Finding the Fourth Proportional to 14,272,896.20, 21,409,344.30 and 13,122,739.40

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Solution

The fourth proportional to 14,272,896.20, 21,409,344.30 and 13,122,739.40 is: 19,684,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272,896.20 : 21,409,344.30 = 13,122,739.40 : x
  2. Step 2: Convert to fraction form
    14,272,896.20/21,409,344.30 = 13,122,739.40/x
  3. Step 3: Cross multiply
    14,272,896.20x = 21,409,344.30 × 13,122,739.40
  4. Step 4: Simplify right side
    14,272,896.20x = 280,949,245,973,775.44
  5. Step 5: Solve for x
    x = 280,949,245,973,775.44/14,272,896.20
  6. Step 6: Final answer
    x = 19,684,109.10

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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.