Home / 39,718,449-59,577,676.74-12,792,105

Finding the Fourth Proportional to 39,718,449, 59,577,676.74 and 12,792,105

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Solution

The fourth proportional to 39,718,449, 59,577,676.74 and 12,792,105 is: 19,188,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,718,449 : 59,577,676.74 = 12,792,105 : x
  2. Step 2: Convert to fraction form
    39,718,449/59,577,676.74 = 12,792,105/x
  3. Step 3: Cross multiply
    39,718,449x = 59,577,676.74 × 12,792,105
  4. Step 4: Simplify right side
    39,718,449x = 762,123,896,514,137.75
  5. Step 5: Solve for x
    x = 762,123,896,514,137.75/39,718,449
  6. Step 6: Final answer
    x = 19,188,158.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.