Home / 8,320,784.63-12,458,749.25-5,435,005.32

Finding the Fourth Proportional to 8,320,784.63, 12,458,749.25 and 5,435,005.32

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Solution

The fourth proportional to 8,320,784.63, 12,458,749.25 and 5,435,005.32 is: 8,137,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,784.63 : 12,458,749.25 = 5,435,005.32 : x
  2. Step 2: Convert to fraction form
    8,320,784.63/12,458,749.25 = 5,435,005.32/x
  3. Step 3: Cross multiply
    8,320,784.63x = 12,458,749.25 × 5,435,005.32
  4. Step 4: Simplify right side
    8,320,784.63x = 67,713,368,454,296.02
  5. Step 5: Solve for x
    x = 67,713,368,454,296.02/8,320,784.63
  6. Step 6: Final answer
    x = 8,137,858.56

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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.