Home / 18,480,947.80-27,723,322.14-6,976,105.60

Finding the Fourth Proportional to 18,480,947.80, 27,723,322.14 and 6,976,105.60

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Solution

The fourth proportional to 18,480,947.80, 27,723,322.14 and 6,976,105.60 is: 10,464,875.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480,947.80 : 27,723,322.14 = 6,976,105.60 : x
  2. Step 2: Convert to fraction form
    18,480,947.80/27,723,322.14 = 6,976,105.60/x
  3. Step 3: Cross multiply
    18,480,947.80x = 27,723,322.14 × 6,976,105.60
  4. Step 4: Simplify right side
    18,480,947.80x = 193,400,822,831,457.97
  5. Step 5: Solve for x
    x = 193,400,822,831,457.97/18,480,947.80
  6. Step 6: Final answer
    x = 10,464,875.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.