Home / 19,152,651.60-28,728,977.40-18,018,910.80

Finding the Fourth Proportional to 19,152,651.60, 28,728,977.40 and 18,018,910.80

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Solution

The fourth proportional to 19,152,651.60, 28,728,977.40 and 18,018,910.80 is: 27,028,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,651.60 : 28,728,977.40 = 18,018,910.80 : x
  2. Step 2: Convert to fraction form
    19,152,651.60/28,728,977.40 = 18,018,910.80/x
  3. Step 3: Cross multiply
    19,152,651.60x = 28,728,977.40 × 18,018,910.80
  4. Step 4: Simplify right side
    19,152,651.60x = 517,664,881,145,815.94
  5. Step 5: Solve for x
    x = 517,664,881,145,815.94/19,152,651.60
  6. Step 6: Final answer
    x = 27,028,366.20

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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.