Home / 10,500,820.48-15,751,731.42-5,103,040.24

Finding the Fourth Proportional to 10,500,820.48, 15,751,731.42 and 5,103,040.24

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Solution

The fourth proportional to 10,500,820.48, 15,751,731.42 and 5,103,040.24 is: 7,654,803.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,820.48 : 15,751,731.42 = 5,103,040.24 : x
  2. Step 2: Convert to fraction form
    10,500,820.48/15,751,731.42 = 5,103,040.24/x
  3. Step 3: Cross multiply
    10,500,820.48x = 15,751,731.42 × 5,103,040.24
  4. Step 4: Simplify right side
    10,500,820.48x = 80,381,719,285,932.34
  5. Step 5: Solve for x
    x = 80,381,719,285,932.34/10,500,820.48
  6. Step 6: Final answer
    x = 7,654,803.68

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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.