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Finding the Fourth Proportional to 26,558,892.54, 39,839,751.48 and 8,364,510.54

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Solution

The fourth proportional to 26,558,892.54, 39,839,751.48 and 8,364,510.54 is: 12,547,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,558,892.54 : 39,839,751.48 = 8,364,510.54 : x
  2. Step 2: Convert to fraction form
    26,558,892.54/39,839,751.48 = 8,364,510.54/x
  3. Step 3: Cross multiply
    26,558,892.54x = 39,839,751.48 × 8,364,510.54
  4. Step 4: Simplify right side
    26,558,892.54x = 333,240,021,165,440.56
  5. Step 5: Solve for x
    x = 333,240,021,165,440.56/26,558,892.54
  6. Step 6: Final answer
    x = 12,547,210.72

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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.