Home / 9,628,959.86-13,280,216.54-8,464,917.24

Finding the Fourth Proportional to 9,628,959.86, 13,280,216.54 and 8,464,917.24

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Solution

The fourth proportional to 9,628,959.86, 13,280,216.54 and 8,464,917.24 is: 11,674,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,959.86 : 13,280,216.54 = 8,464,917.24 : x
  2. Step 2: Convert to fraction form
    9,628,959.86/13,280,216.54 = 8,464,917.24/x
  3. Step 3: Cross multiply
    9,628,959.86x = 13,280,216.54 × 8,464,917.24
  4. Step 4: Simplify right side
    9,628,959.86x = 112,415,933,940,379.14
  5. Step 5: Solve for x
    x = 112,415,933,940,379.14/9,628,959.86
  6. Step 6: Final answer
    x = 11,674,774.39

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1.5x scale

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.