Home / 18,504,825.36-25,538,567.40-10,664,612.88

Finding the Fourth Proportional to 18,504,825.36, 25,538,567.40 and 10,664,612.88

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Solution

The fourth proportional to 18,504,825.36, 25,538,567.40 and 10,664,612.88 is: 14,718,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,825.36 : 25,538,567.40 = 10,664,612.88 : x
  2. Step 2: Convert to fraction form
    18,504,825.36/25,538,567.40 = 10,664,612.88/x
  3. Step 3: Cross multiply
    18,504,825.36x = 25,538,567.40 × 10,664,612.88
  4. Step 4: Simplify right side
    18,504,825.36x = 272,358,934,830,788.12
  5. Step 5: Solve for x
    x = 272,358,934,830,788.12/18,504,825.36
  6. Step 6: Final answer
    x = 14,718,265.62

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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.