Home / 21,942,037.26-30,280,098.51-12,780,976.14

Finding the Fourth Proportional to 21,942,037.26, 30,280,098.51 and 12,780,976.14

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Solution

The fourth proportional to 21,942,037.26, 30,280,098.51 and 12,780,976.14 is: 17,637,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942,037.26 : 30,280,098.51 = 12,780,976.14 : x
  2. Step 2: Convert to fraction form
    21,942,037.26/30,280,098.51 = 12,780,976.14/x
  3. Step 3: Cross multiply
    21,942,037.26x = 30,280,098.51 × 12,780,976.14
  4. Step 4: Simplify right side
    21,942,037.26x = 387,009,216,573,159.56
  5. Step 5: Solve for x
    x = 387,009,216,573,159.56/21,942,037.26
  6. Step 6: Final answer
    x = 17,637,797.80

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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.