Home / 19,251,705.06-28,858,114.86-12,068,273.94

Finding the Fourth Proportional to 19,251,705.06, 28,858,114.86 and 12,068,273.94

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Solution

The fourth proportional to 19,251,705.06, 28,858,114.86 and 12,068,273.94 is: 18,090,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,705.06 : 28,858,114.86 = 12,068,273.94 : x
  2. Step 2: Convert to fraction form
    19,251,705.06/28,858,114.86 = 12,068,273.94/x
  3. Step 3: Cross multiply
    19,251,705.06x = 28,858,114.86 × 12,068,273.94
  4. Step 4: Simplify right side
    19,251,705.06x = 348,267,635,522,464.75
  5. Step 5: Solve for x
    x = 348,267,635,522,464.75/19,251,705.06
  6. Step 6: Final answer
    x = 18,090,222.89

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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.