Home / 8,657,318.40-12,985,977.60-2,268,216.60

Finding the Fourth Proportional to 8,657,318.40, 12,985,977.60 and 2,268,216.60

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Solution

The fourth proportional to 8,657,318.40, 12,985,977.60 and 2,268,216.60 is: 3,402,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,318.40 : 12,985,977.60 = 2,268,216.60 : x
  2. Step 2: Convert to fraction form
    8,657,318.40/12,985,977.60 = 2,268,216.60/x
  3. Step 3: Cross multiply
    8,657,318.40x = 12,985,977.60 × 2,268,216.60
  4. Step 4: Simplify right side
    8,657,318.40x = 29,455,009,959,548.16
  5. Step 5: Solve for x
    x = 29,455,009,959,548.16/8,657,318.40
  6. Step 6: Final answer
    x = 3,402,324.90

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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.