Home / 13,287,019.24-19,930,528.05-3,189,640.24

Finding the Fourth Proportional to 13,287,019.24, 19,930,528.05 and 3,189,640.24

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Solution

The fourth proportional to 13,287,019.24, 19,930,528.05 and 3,189,640.24 is: 4,784,460.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,019.24 : 19,930,528.05 = 3,189,640.24 : x
  2. Step 2: Convert to fraction form
    13,287,019.24/19,930,528.05 = 3,189,640.24/x
  3. Step 3: Cross multiply
    13,287,019.24x = 19,930,528.05 × 3,189,640.24
  4. Step 4: Simplify right side
    13,287,019.24x = 63,571,214,272,728.74
  5. Step 5: Solve for x
    x = 63,571,214,272,728.74/13,287,019.24
  6. Step 6: Final answer
    x = 4,784,460.17

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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.