Home / 13,226,555.45-18,254,638.64-8,072,911.82

Finding the Fourth Proportional to 13,226,555.45, 18,254,638.64 and 8,072,911.82

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Solution

The fourth proportional to 13,226,555.45, 18,254,638.64 and 8,072,911.82 is: 11,141,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,555.45 : 18,254,638.64 = 8,072,911.82 : x
  2. Step 2: Convert to fraction form
    13,226,555.45/18,254,638.64 = 8,072,911.82/x
  3. Step 3: Cross multiply
    13,226,555.45x = 18,254,638.64 × 8,072,911.82
  4. Step 4: Simplify right side
    13,226,555.45x = 147,368,088,046,684.75
  5. Step 5: Solve for x
    x = 147,368,088,046,684.75/13,226,555.45
  6. Step 6: Final answer
    x = 11,141,834.21

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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.