Home / 15,996,879.20-23,995,318.80-7,021,431.20

Finding the Fourth Proportional to 15,996,879.20, 23,995,318.80 and 7,021,431.20

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Solution

The fourth proportional to 15,996,879.20, 23,995,318.80 and 7,021,431.20 is: 10,532,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996,879.20 : 23,995,318.80 = 7,021,431.20 : x
  2. Step 2: Convert to fraction form
    15,996,879.20/23,995,318.80 = 7,021,431.20/x
  3. Step 3: Cross multiply
    15,996,879.20x = 23,995,318.80 × 7,021,431.20
  4. Step 4: Simplify right side
    15,996,879.20x = 168,481,480,076,266.56
  5. Step 5: Solve for x
    x = 168,481,480,076,266.56/15,996,879.20
  6. Step 6: Final answer
    x = 10,532,146.80

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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.