Home / 13,115,968.70-19,654,522.38-5,325,409.40

Finding the Fourth Proportional to 13,115,968.70, 19,654,522.38 and 5,325,409.40

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Solution

The fourth proportional to 13,115,968.70, 19,654,522.38 and 5,325,409.40 is: 7,980,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115,968.70 : 19,654,522.38 = 5,325,409.40 : x
  2. Step 2: Convert to fraction form
    13,115,968.70/19,654,522.38 = 5,325,409.40/x
  3. Step 3: Cross multiply
    13,115,968.70x = 19,654,522.38 × 5,325,409.40
  4. Step 4: Simplify right side
    13,115,968.70x = 104,668,378,136,689.75
  5. Step 5: Solve for x
    x = 104,668,378,136,689.75/13,115,968.70
  6. Step 6: Final answer
    x = 7,980,224.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.