Home / 19,958,449.20-29,937,673.80-10,392,511.20

Finding the Fourth Proportional to 19,958,449.20, 29,937,673.80 and 10,392,511.20

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Solution

The fourth proportional to 19,958,449.20, 29,937,673.80 and 10,392,511.20 is: 15,588,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958,449.20 : 29,937,673.80 = 10,392,511.20 : x
  2. Step 2: Convert to fraction form
    19,958,449.20/29,937,673.80 = 10,392,511.20/x
  3. Step 3: Cross multiply
    19,958,449.20x = 29,937,673.80 × 10,392,511.20
  4. Step 4: Simplify right side
    19,958,449.20x = 311,127,610,268,446.56
  5. Step 5: Solve for x
    x = 311,127,610,268,446.56/19,958,449.20
  6. Step 6: Final answer
    x = 15,588,766.80

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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.