Home / 18,102,723.36-27,136,148.40-8,500,913.88

Finding the Fourth Proportional to 18,102,723.36, 27,136,148.40 and 8,500,913.88

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Solution

The fourth proportional to 18,102,723.36, 27,136,148.40 and 8,500,913.88 is: 12,742,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102,723.36 : 27,136,148.40 = 8,500,913.88 : x
  2. Step 2: Convert to fraction form
    18,102,723.36/27,136,148.40 = 8,500,913.88/x
  3. Step 3: Cross multiply
    18,102,723.36x = 27,136,148.40 × 8,500,913.88
  4. Step 4: Simplify right side
    18,102,723.36x = 230,682,060,583,299.81
  5. Step 5: Solve for x
    x = 230,682,060,583,299.81/18,102,723.36
  6. Step 6: Final answer
    x = 12,742,947.90

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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.