Home / 19,043,789.58-26,288,471.18-12,857,213.07

Finding the Fourth Proportional to 19,043,789.58, 26,288,471.18 and 12,857,213.07

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Solution

The fourth proportional to 19,043,789.58, 26,288,471.18 and 12,857,213.07 is: 17,748,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,789.58 : 26,288,471.18 = 12,857,213.07 : x
  2. Step 2: Convert to fraction form
    19,043,789.58/26,288,471.18 = 12,857,213.07/x
  3. Step 3: Cross multiply
    19,043,789.58x = 26,288,471.18 × 12,857,213.07
  4. Step 4: Simplify right side
    19,043,789.58x = 337,996,475,245,814.31
  5. Step 5: Solve for x
    x = 337,996,475,245,814.31/19,043,789.58
  6. Step 6: Final answer
    x = 17,748,383.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.