Home / 19,211,768.88-26,520,128.64-13,025,288.76

Finding the Fourth Proportional to 19,211,768.88, 26,520,128.64 and 13,025,288.76

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Solution

The fourth proportional to 19,211,768.88, 26,520,128.64 and 13,025,288.76 is: 17,980,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,768.88 : 26,520,128.64 = 13,025,288.76 : x
  2. Step 2: Convert to fraction form
    19,211,768.88/26,520,128.64 = 13,025,288.76/x
  3. Step 3: Cross multiply
    19,211,768.88x = 26,520,128.64 × 13,025,288.76
  4. Step 4: Simplify right side
    19,211,768.88x = 345,432,333,488,346.06
  5. Step 5: Solve for x
    x = 345,432,333,488,346.06/19,211,768.88
  6. Step 6: Final answer
    x = 17,980,246.15

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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.