Home / 18,809,935.80-28,214,903.70-9,243,997.80

Finding the Fourth Proportional to 18,809,935.80, 28,214,903.70 and 9,243,997.80

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Solution

The fourth proportional to 18,809,935.80, 28,214,903.70 and 9,243,997.80 is: 13,865,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,935.80 : 28,214,903.70 = 9,243,997.80 : x
  2. Step 2: Convert to fraction form
    18,809,935.80/28,214,903.70 = 9,243,997.80/x
  3. Step 3: Cross multiply
    18,809,935.80x = 28,214,903.70 × 9,243,997.80
  4. Step 4: Simplify right side
    18,809,935.80x = 260,818,507,730,011.88
  5. Step 5: Solve for x
    x = 260,818,507,730,011.88/18,809,935.80
  6. Step 6: Final answer
    x = 13,865,996.70

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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.