Home / 19,043,787.83-26,288,468.75-12,857,211.32

Finding the Fourth Proportional to 19,043,787.83, 26,288,468.75 and 12,857,211.32

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Solution

The fourth proportional to 19,043,787.83, 26,288,468.75 and 12,857,211.32 is: 17,748,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,787.83 : 26,288,468.75 = 12,857,211.32 : x
  2. Step 2: Convert to fraction form
    19,043,787.83/26,288,468.75 = 12,857,211.32/x
  3. Step 3: Cross multiply
    19,043,787.83x = 26,288,468.75 × 12,857,211.32
  4. Step 4: Simplify right side
    19,043,787.83x = 337,996,397,898,666.94
  5. Step 5: Solve for x
    x = 337,996,397,898,666.94/19,043,787.83
  6. Step 6: Final answer
    x = 17,748,380.78

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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.