Home / 26,420,912.10-39,631,368.15-12,072,005.10

Finding the Fourth Proportional to 26,420,912.10, 39,631,368.15 and 12,072,005.10

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Solution

The fourth proportional to 26,420,912.10, 39,631,368.15 and 12,072,005.10 is: 18,108,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420,912.10 : 39,631,368.15 = 12,072,005.10 : x
  2. Step 2: Convert to fraction form
    26,420,912.10/39,631,368.15 = 12,072,005.10/x
  3. Step 3: Cross multiply
    26,420,912.10x = 39,631,368.15 × 12,072,005.10
  4. Step 4: Simplify right side
    26,420,912.10x = 478,430,078,426,777.56
  5. Step 5: Solve for x
    x = 478,430,078,426,777.56/26,420,912.10
  6. Step 6: Final answer
    x = 18,108,007.65

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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.