Home / 13,415,406.60-20,127,702.38-5,735,887.32

Finding the Fourth Proportional to 13,415,406.60, 20,127,702.38 and 5,735,887.32

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Solution

The fourth proportional to 13,415,406.60, 20,127,702.38 and 5,735,887.32 is: 8,605,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,406.60 : 20,127,702.38 = 5,735,887.32 : x
  2. Step 2: Convert to fraction form
    13,415,406.60/20,127,702.38 = 5,735,887.32/x
  3. Step 3: Cross multiply
    13,415,406.60x = 20,127,702.38 × 5,735,887.32
  4. Step 4: Simplify right side
    13,415,406.60x = 115,450,232,862,175.83
  5. Step 5: Solve for x
    x = 115,450,232,862,175.83/13,415,406.60
  6. Step 6: Final answer
    x = 8,605,794.54

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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.