Home / 19,679,519.31-29,527,804.22-10,570,989.53

Finding the Fourth Proportional to 19,679,519.31, 29,527,804.22 and 10,570,989.53

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Solution

The fourth proportional to 19,679,519.31, 29,527,804.22 and 10,570,989.53 is: 15,861,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679,519.31 : 29,527,804.22 = 10,570,989.53 : x
  2. Step 2: Convert to fraction form
    19,679,519.31/29,527,804.22 = 10,570,989.53/x
  3. Step 3: Cross multiply
    19,679,519.31x = 29,527,804.22 × 10,570,989.53
  4. Step 4: Simplify right side
    19,679,519.31x = 312,138,109,053,015.88
  5. Step 5: Solve for x
    x = 312,138,109,053,015.88/19,679,519.31
  6. Step 6: Final answer
    x = 15,861,063.68

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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.