Home / 18,728,945.16-25,842,636.47-10,466,366.21

Finding the Fourth Proportional to 18,728,945.16, 25,842,636.47 and 10,466,366.21

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Solution

The fourth proportional to 18,728,945.16, 25,842,636.47 and 10,466,366.21 is: 14,441,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728,945.16 : 25,842,636.47 = 10,466,366.21 : x
  2. Step 2: Convert to fraction form
    18,728,945.16/25,842,636.47 = 10,466,366.21/x
  3. Step 3: Cross multiply
    18,728,945.16x = 25,842,636.47 × 10,466,366.21
  4. Step 4: Simplify right side
    18,728,945.16x = 270,478,497,120,784.31
  5. Step 5: Solve for x
    x = 270,478,497,120,784.31/18,728,945.16
  6. Step 6: Final answer
    x = 14,441,736.83

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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.