Home / 12,546,416.94-18,806,678.52-5,264,105.61

Finding the Fourth Proportional to 12,546,416.94, 18,806,678.52 and 5,264,105.61

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Solution

The fourth proportional to 12,546,416.94, 18,806,678.52 and 5,264,105.61 is: 7,890,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,416.94 : 18,806,678.52 = 5,264,105.61 : x
  2. Step 2: Convert to fraction form
    12,546,416.94/18,806,678.52 = 5,264,105.61/x
  3. Step 3: Cross multiply
    12,546,416.94x = 18,806,678.52 × 5,264,105.61
  4. Step 4: Simplify right side
    12,546,416.94x = 99,000,341,902,598.50
  5. Step 5: Solve for x
    x = 99,000,341,902,598.50/12,546,416.94
  6. Step 6: Final answer
    x = 7,890,726.28

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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.