Home / 12,057,643.40-18,086,465.10-10,434,014.60

Finding the Fourth Proportional to 12,057,643.40, 18,086,465.10 and 10,434,014.60

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Solution

The fourth proportional to 12,057,643.40, 18,086,465.10 and 10,434,014.60 is: 15,651,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057,643.40 : 18,086,465.10 = 10,434,014.60 : x
  2. Step 2: Convert to fraction form
    12,057,643.40/18,086,465.10 = 10,434,014.60/x
  3. Step 3: Cross multiply
    12,057,643.40x = 18,086,465.10 × 10,434,014.60
  4. Step 4: Simplify right side
    12,057,643.40x = 188,714,440,915,790.47
  5. Step 5: Solve for x
    x = 188,714,440,915,790.47/12,057,643.40
  6. Step 6: Final answer
    x = 15,651,021.90

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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.