Home / 19,043,789.83-26,288,471.51-12,857,213.32

Finding the Fourth Proportional to 19,043,789.83, 26,288,471.51 and 12,857,213.32

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Solution

The fourth proportional to 19,043,789.83, 26,288,471.51 and 12,857,213.32 is: 17,748,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,789.83 : 26,288,471.51 = 12,857,213.32 : x
  2. Step 2: Convert to fraction form
    19,043,789.83/26,288,471.51 = 12,857,213.32/x
  3. Step 3: Cross multiply
    19,043,789.83x = 26,288,471.51 × 12,857,213.32
  4. Step 4: Simplify right side
    19,043,789.83x = 337,996,486,060,812.56
  5. Step 5: Solve for x
    x = 337,996,486,060,812.56/19,043,789.83
  6. Step 6: Final answer
    x = 17,748,383.55

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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.