Home / 18,519,165.28-27,756,353.04-9,538,818.40

Finding the Fourth Proportional to 18,519,165.28, 27,756,353.04 and 9,538,818.40

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Solution

The fourth proportional to 18,519,165.28, 27,756,353.04 and 9,538,818.40 is: 14,296,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,165.28 : 27,756,353.04 = 9,538,818.40 : x
  2. Step 2: Convert to fraction form
    18,519,165.28/27,756,353.04 = 9,538,818.40/x
  3. Step 3: Cross multiply
    18,519,165.28x = 27,756,353.04 × 9,538,818.40
  4. Step 4: Simplify right side
    18,519,165.28x = 264,762,811,094,847.94
  5. Step 5: Solve for x
    x = 264,762,811,094,847.94/18,519,165.28
  6. Step 6: Final answer
    x = 14,296,692.49

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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.