Home / 18,859,936.39-26,026,946.72-11,417,499.79

Finding the Fourth Proportional to 18,859,936.39, 26,026,946.72 and 11,417,499.79

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Solution

The fourth proportional to 18,859,936.39, 26,026,946.72 and 11,417,499.79 is: 15,756,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859,936.39 : 26,026,946.72 = 11,417,499.79 : x
  2. Step 2: Convert to fraction form
    18,859,936.39/26,026,946.72 = 11,417,499.79/x
  3. Step 3: Cross multiply
    18,859,936.39x = 26,026,946.72 × 11,417,499.79
  4. Step 4: Simplify right side
    18,859,936.39x = 297,162,658,709,941.12
  5. Step 5: Solve for x
    x = 297,162,658,709,941.12/18,859,936.39
  6. Step 6: Final answer
    x = 15,756,291.67

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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.