Home / 19,043,791.58-26,288,473.94-12,857,215.07

Finding the Fourth Proportional to 19,043,791.58, 26,288,473.94 and 12,857,215.07

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Solution

The fourth proportional to 19,043,791.58, 26,288,473.94 and 12,857,215.07 is: 17,748,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043,791.58 : 26,288,473.94 = 12,857,215.07 : x
  2. Step 2: Convert to fraction form
    19,043,791.58/26,288,473.94 = 12,857,215.07/x
  3. Step 3: Cross multiply
    19,043,791.58x = 26,288,473.94 × 12,857,215.07
  4. Step 4: Simplify right side
    19,043,791.58x = 337,996,563,112,941.81
  5. Step 5: Solve for x
    x = 337,996,563,112,941.81/19,043,791.58
  6. Step 6: Final answer
    x = 17,748,385.97

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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.