Home / 19,043,045.72-28,555,563.86-7,376,881.05

Finding the Fourth Proportional to 19,043,045.72, 28,555,563.86 and 7,376,881.05

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Solution

The fourth proportional to 19,043,045.72, 28,555,563.86 and 7,376,881.05 is: 11,061,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,045.72 : 28,555,563.86 = 7,376,881.05 : x
  2. Step 2: Convert to fraction form
    19,043,045.72/28,555,563.86 = 7,376,881.05/x
  3. Step 3: Cross multiply
    19,043,045.72x = 28,555,563.86 × 7,376,881.05
  4. Step 4: Simplify right side
    19,043,045.72x = 210,650,997,910,898.84
  5. Step 5: Solve for x
    x = 210,650,997,910,898.84/19,043,045.72
  6. Step 6: Final answer
    x = 11,061,833.33

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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.