Home / 12,543,006.09-17,311,711.32-8,184,525.69

Finding the Fourth Proportional to 12,543,006.09, 17,311,711.32 and 8,184,525.69

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Solution

The fourth proportional to 12,543,006.09, 17,311,711.32 and 8,184,525.69 is: 11,296,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,006.09 : 17,311,711.32 = 8,184,525.69 : x
  2. Step 2: Convert to fraction form
    12,543,006.09/17,311,711.32 = 8,184,525.69/x
  3. Step 3: Cross multiply
    12,543,006.09x = 17,311,711.32 × 8,184,525.69
  4. Step 4: Simplify right side
    12,543,006.09x = 141,688,146,036,403.81
  5. Step 5: Solve for x
    x = 141,688,146,036,403.81/12,543,006.09
  6. Step 6: Final answer
    x = 11,296,187.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.