Home / 15,188,793.64-20,959,727.70-8,311,947.16

Finding the Fourth Proportional to 15,188,793.64, 20,959,727.70 and 8,311,947.16

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Solution

The fourth proportional to 15,188,793.64, 20,959,727.70 and 8,311,947.16 is: 11,470,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188,793.64 : 20,959,727.70 = 8,311,947.16 : x
  2. Step 2: Convert to fraction form
    15,188,793.64/20,959,727.70 = 8,311,947.16/x
  3. Step 3: Cross multiply
    15,188,793.64x = 20,959,727.70 × 8,311,947.16
  4. Step 4: Simplify right side
    15,188,793.64x = 174,216,149,130,388.34
  5. Step 5: Solve for x
    x = 174,216,149,130,388.34/15,188,793.64
  6. Step 6: Final answer
    x = 11,470,045.17

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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.