Home / 12,624,006.20-18,936,009.30-7,816,105.40

Finding the Fourth Proportional to 12,624,006.20, 18,936,009.30 and 7,816,105.40

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Solution

The fourth proportional to 12,624,006.20, 18,936,009.30 and 7,816,105.40 is: 11,724,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,006.20 : 18,936,009.30 = 7,816,105.40 : x
  2. Step 2: Convert to fraction form
    12,624,006.20/18,936,009.30 = 7,816,105.40/x
  3. Step 3: Cross multiply
    12,624,006.20x = 18,936,009.30 × 7,816,105.40
  4. Step 4: Simplify right side
    12,624,006.20x = 148,005,844,544,180.22
  5. Step 5: Solve for x
    x = 148,005,844,544,180.22/12,624,006.20
  6. Step 6: Final answer
    x = 11,724,158.10

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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.