Home / 14,193,979.20-21,290,968.80-5,100,433.20

Finding the Fourth Proportional to 14,193,979.20, 21,290,968.80 and 5,100,433.20

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Solution

The fourth proportional to 14,193,979.20, 21,290,968.80 and 5,100,433.20 is: 7,650,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193,979.20 : 21,290,968.80 = 5,100,433.20 : x
  2. Step 2: Convert to fraction form
    14,193,979.20/21,290,968.80 = 5,100,433.20/x
  3. Step 3: Cross multiply
    14,193,979.20x = 21,290,968.80 × 5,100,433.20
  4. Step 4: Simplify right side
    14,193,979.20x = 108,593,164,127,684.17
  5. Step 5: Solve for x
    x = 108,593,164,127,684.17/14,193,979.20
  6. Step 6: Final answer
    x = 7,650,649.80

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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.