Home / 21,384,007.20-32,076,010.80-15,715,303.20

Finding the Fourth Proportional to 21,384,007.20, 32,076,010.80 and 15,715,303.20

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Solution

The fourth proportional to 21,384,007.20, 32,076,010.80 and 15,715,303.20 is: 23,572,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,007.20 : 32,076,010.80 = 15,715,303.20 : x
  2. Step 2: Convert to fraction form
    21,384,007.20/32,076,010.80 = 15,715,303.20/x
  3. Step 3: Cross multiply
    21,384,007.20x = 32,076,010.80 × 15,715,303.20
  4. Step 4: Simplify right side
    21,384,007.20x = 504,084,235,168,474.56
  5. Step 5: Solve for x
    x = 504,084,235,168,474.56/21,384,007.20
  6. Step 6: Final answer
    x = 23,572,954.80

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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.