Home / 18,792,110.40-28,188,165.60-14,009,141.40

Finding the Fourth Proportional to 18,792,110.40, 28,188,165.60 and 14,009,141.40

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Solution

The fourth proportional to 18,792,110.40, 28,188,165.60 and 14,009,141.40 is: 21,013,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,110.40 : 28,188,165.60 = 14,009,141.40 : x
  2. Step 2: Convert to fraction form
    18,792,110.40/28,188,165.60 = 14,009,141.40/x
  3. Step 3: Cross multiply
    18,792,110.40x = 28,188,165.60 × 14,009,141.40
  4. Step 4: Simplify right side
    18,792,110.40x = 394,891,997,697,015.88
  5. Step 5: Solve for x
    x = 394,891,997,697,015.88/18,792,110.40
  6. Step 6: Final answer
    x = 21,013,712.10

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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.