Home / 9,628,959.82-13,280,216.50-8,464,917.18

Finding the Fourth Proportional to 9,628,959.82, 13,280,216.50 and 8,464,917.18

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Solution

The fourth proportional to 9,628,959.82, 13,280,216.50 and 8,464,917.18 is: 11,674,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,959.82 : 13,280,216.50 = 8,464,917.18 : x
  2. Step 2: Convert to fraction form
    9,628,959.82/13,280,216.50 = 8,464,917.18/x
  3. Step 3: Cross multiply
    9,628,959.82x = 13,280,216.50 × 8,464,917.18
  4. Step 4: Simplify right side
    9,628,959.82x = 112,415,932,804,969.47
  5. Step 5: Solve for x
    x = 112,415,932,804,969.47/9,628,959.82
  6. Step 6: Final answer
    x = 11,674,774.32

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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.