Home / 14,131,927.20-21,197,890.80-13,281,621.60

Finding the Fourth Proportional to 14,131,927.20, 21,197,890.80 and 13,281,621.60

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Solution

The fourth proportional to 14,131,927.20, 21,197,890.80 and 13,281,621.60 is: 19,922,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,927.20 : 21,197,890.80 = 13,281,621.60 : x
  2. Step 2: Convert to fraction form
    14,131,927.20/21,197,890.80 = 13,281,621.60/x
  3. Step 3: Cross multiply
    14,131,927.20x = 21,197,890.80 × 13,281,621.60
  4. Step 4: Simplify right side
    14,131,927.20x = 281,542,364,323,721.31
  5. Step 5: Solve for x
    x = 281,542,364,323,721.31/14,131,927.20
  6. Step 6: Final answer
    x = 19,922,432.40

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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.