Home / 21,748,037.40-30,012,399.99-11,959,112.88

Finding the Fourth Proportional to 21,748,037.40, 30,012,399.99 and 11,959,112.88

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Solution

The fourth proportional to 21,748,037.40, 30,012,399.99 and 11,959,112.88 is: 16,503,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,037.40 : 30,012,399.99 = 11,959,112.88 : x
  2. Step 2: Convert to fraction form
    21,748,037.40/30,012,399.99 = 11,959,112.88/x
  3. Step 3: Cross multiply
    21,748,037.40x = 30,012,399.99 × 11,959,112.88
  4. Step 4: Simplify right side
    21,748,037.40x = 358,921,679,280,120.88
  5. Step 5: Solve for x
    x = 358,921,679,280,120.88/21,748,037.40
  6. Step 6: Final answer
    x = 16,503,635.37

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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.