Home / 21,276,053.70-31,914,080.55-5,923,313.70

Finding the Fourth Proportional to 21,276,053.70, 31,914,080.55 and 5,923,313.70

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Solution

The fourth proportional to 21,276,053.70, 31,914,080.55 and 5,923,313.70 is: 8,884,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,276,053.70 : 31,914,080.55 = 5,923,313.70 : x
  2. Step 2: Convert to fraction form
    21,276,053.70/31,914,080.55 = 5,923,313.70/x
  3. Step 3: Cross multiply
    21,276,053.70x = 31,914,080.55 × 5,923,313.70
  4. Step 4: Simplify right side
    21,276,053.70x = 189,037,110,544,718.53
  5. Step 5: Solve for x
    x = 189,037,110,544,718.53/21,276,053.70
  6. Step 6: Final answer
    x = 8,884,970.55

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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.