Home / 8,641,624.58-11,927,144.25-5,155,218.36

Finding the Fourth Proportional to 8,641,624.58, 11,927,144.25 and 5,155,218.36

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Solution

The fourth proportional to 8,641,624.58, 11,927,144.25 and 5,155,218.36 is: 7,115,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641,624.58 : 11,927,144.25 = 5,155,218.36 : x
  2. Step 2: Convert to fraction form
    8,641,624.58/11,927,144.25 = 5,155,218.36/x
  3. Step 3: Cross multiply
    8,641,624.58x = 11,927,144.25 × 5,155,218.36
  4. Step 4: Simplify right side
    8,641,624.58x = 61,487,032,985,390.66
  5. Step 5: Solve for x
    x = 61,487,032,985,390.66/8,641,624.58
  6. Step 6: Final answer
    x = 7,115,216.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.