Home / 18,338,599.58-25,307,836.92-10,078,511.76

Finding the Fourth Proportional to 18,338,599.58, 25,307,836.92 and 10,078,511.76

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Solution

The fourth proportional to 18,338,599.58, 25,307,836.92 and 10,078,511.76 is: 13,908,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,599.58 : 25,307,836.92 = 10,078,511.76 : x
  2. Step 2: Convert to fraction form
    18,338,599.58/25,307,836.92 = 10,078,511.76/x
  3. Step 3: Cross multiply
    18,338,599.58x = 25,307,836.92 × 10,078,511.76
  4. Step 4: Simplify right side
    18,338,599.58x = 255,065,332,018,382.19
  5. Step 5: Solve for x
    x = 255,065,332,018,382.19/18,338,599.58
  6. Step 6: Final answer
    x = 13,908,659.21

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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.