Home / 18,686,891.41-25,788,528.68-10,845,815.72

Finding the Fourth Proportional to 18,686,891.41, 25,788,528.68 and 10,845,815.72

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Solution

The fourth proportional to 18,686,891.41, 25,788,528.68 and 10,845,815.72 is: 14,967,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,891.41 : 25,788,528.68 = 10,845,815.72 : x
  2. Step 2: Convert to fraction form
    18,686,891.41/25,788,528.68 = 10,845,815.72/x
  3. Step 3: Cross multiply
    18,686,891.41x = 25,788,528.68 × 10,845,815.72
  4. Step 4: Simplify right side
    18,686,891.41x = 279,697,629,570,043.12
  5. Step 5: Solve for x
    x = 279,697,629,570,043.12/18,686,891.41
  6. Step 6: Final answer
    x = 14,967,584.68

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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.