Home / 10,268,913.55-15,380,666.15-7,022,758.31

Finding the Fourth Proportional to 10,268,913.55, 15,380,666.15 and 7,022,758.31

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Solution

The fourth proportional to 10,268,913.55, 15,380,666.15 and 7,022,758.31 is: 10,518,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268,913.55 : 15,380,666.15 = 7,022,758.31 : x
  2. Step 2: Convert to fraction form
    10,268,913.55/15,380,666.15 = 7,022,758.31/x
  3. Step 3: Cross multiply
    10,268,913.55x = 15,380,666.15 × 7,022,758.31
  4. Step 4: Simplify right side
    10,268,913.55x = 108,014,701,018,248.20
  5. Step 5: Solve for x
    x = 108,014,701,018,248.20/10,268,913.55
  6. Step 6: Final answer
    x = 10,518,610.42

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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.