Home / 10,867,435.20-16,301,036.55-2,780,346.60

Finding the Fourth Proportional to 10,867,435.20, 16,301,036.55 and 2,780,346.60

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Solution

The fourth proportional to 10,867,435.20, 16,301,036.55 and 2,780,346.60 is: 4,170,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,435.20 : 16,301,036.55 = 2,780,346.60 : x
  2. Step 2: Convert to fraction form
    10,867,435.20/16,301,036.55 = 2,780,346.60/x
  3. Step 3: Cross multiply
    10,867,435.20x = 16,301,036.55 × 2,780,346.60
  4. Step 4: Simplify right side
    10,867,435.20x = 45,322,531,548,268.23
  5. Step 5: Solve for x
    x = 45,322,531,548,268.23/10,867,435.20
  6. Step 6: Final answer
    x = 4,170,490.16

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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.