Home / 52,018,794.84-71,785,943.10-28,815,424.68

Finding the Fourth Proportional to 52,018,794.84, 71,785,943.10 and 28,815,424.68

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Solution

The fourth proportional to 52,018,794.84, 71,785,943.10 and 28,815,424.68 is: 39,765,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018,794.84 : 71,785,943.10 = 28,815,424.68 : x
  2. Step 2: Convert to fraction form
    52,018,794.84/71,785,943.10 = 28,815,424.68/x
  3. Step 3: Cross multiply
    52,018,794.84x = 71,785,943.10 × 28,815,424.68
  4. Step 4: Simplify right side
    52,018,794.84x = 2,068,542,436,480,815.50
  5. Step 5: Solve for x
    x = 2,068,542,436,480,815.50/52,018,794.84
  6. Step 6: Final answer
    x = 39,765,289.50

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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.