Home / 28,943,503.84-39,940,245.79-15,890,689.58

Finding the Fourth Proportional to 28,943,503.84, 39,940,245.79 and 15,890,689.58

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Solution

The fourth proportional to 28,943,503.84, 39,940,245.79 and 15,890,689.58 is: 21,928,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943,503.84 : 39,940,245.79 = 15,890,689.58 : x
  2. Step 2: Convert to fraction form
    28,943,503.84/39,940,245.79 = 15,890,689.58/x
  3. Step 3: Cross multiply
    28,943,503.84x = 39,940,245.79 × 15,890,689.58
  4. Step 4: Simplify right side
    28,943,503.84x = 634,678,047,597,791.88
  5. Step 5: Solve for x
    x = 634,678,047,597,791.88/28,943,503.84
  6. Step 6: Final answer
    x = 21,928,169.14

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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.