Home / 28,889,587-39,867,635.82-16,012,531

Finding the Fourth Proportional to 28,889,587, 39,867,635.82 and 16,012,531

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Solution

The fourth proportional to 28,889,587, 39,867,635.82 and 16,012,531 is: 22,097,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,587 : 39,867,635.82 = 16,012,531 : x
  2. Step 2: Convert to fraction form
    28,889,587/39,867,635.82 = 16,012,531/x
  3. Step 3: Cross multiply
    28,889,587x = 39,867,635.82 × 16,012,531
  4. Step 4: Simplify right side
    28,889,587x = 638,381,754,464,460.38
  5. Step 5: Solve for x
    x = 638,381,754,464,460.38/28,889,587
  6. Step 6: Final answer
    x = 22,097,295.97

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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.