Home / 18,970,059.48-26,167,754.58-11,420,928.16

Finding the Fourth Proportional to 18,970,059.48, 26,167,754.58 and 11,420,928.16

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Solution

The fourth proportional to 18,970,059.48, 26,167,754.58 and 11,420,928.16 is: 15,754,301.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970,059.48 : 26,167,754.58 = 11,420,928.16 : x
  2. Step 2: Convert to fraction form
    18,970,059.48/26,167,754.58 = 11,420,928.16/x
  3. Step 3: Cross multiply
    18,970,059.48x = 26,167,754.58 × 11,420,928.16
  4. Step 4: Simplify right side
    18,970,059.48x = 298,860,045,166,690.94
  5. Step 5: Solve for x
    x = 298,860,045,166,690.94/18,970,059.48
  6. Step 6: Final answer
    x = 15,754,301.96

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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.