Home / 11,435,955.90-15,781,619.20-6,279,317.46

Finding the Fourth Proportional to 11,435,955.90, 15,781,619.20 and 6,279,317.46

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Solution

The fourth proportional to 11,435,955.90, 15,781,619.20 and 6,279,317.46 is: 8,665,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435,955.90 : 15,781,619.20 = 6,279,317.46 : x
  2. Step 2: Convert to fraction form
    11,435,955.90/15,781,619.20 = 6,279,317.46/x
  3. Step 3: Cross multiply
    11,435,955.90x = 15,781,619.20 × 6,279,317.46
  4. Step 4: Simplify right side
    11,435,955.90x = 99,097,796,989,631.23
  5. Step 5: Solve for x
    x = 99,097,796,989,631.23/11,435,955.90
  6. Step 6: Final answer
    x = 8,665,458.13

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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.