Home / 11,247,239.10-16,870,858.65-8,239,136.70

Finding the Fourth Proportional to 11,247,239.10, 16,870,858.65 and 8,239,136.70

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Solution

The fourth proportional to 11,247,239.10, 16,870,858.65 and 8,239,136.70 is: 12,358,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247,239.10 : 16,870,858.65 = 8,239,136.70 : x
  2. Step 2: Convert to fraction form
    11,247,239.10/16,870,858.65 = 8,239,136.70/x
  3. Step 3: Cross multiply
    11,247,239.10x = 16,870,858.65 × 8,239,136.70
  4. Step 4: Simplify right side
    11,247,239.10x = 139,001,310,663,727.45
  5. Step 5: Solve for x
    x = 139,001,310,663,727.45/11,247,239.10
  6. Step 6: Final answer
    x = 12,358,705.05

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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.