Home / 13,303,387.70-19,960,330.35-5,214,986.90

Finding the Fourth Proportional to 13,303,387.70, 19,960,330.35 and 5,214,986.90

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Solution

The fourth proportional to 13,303,387.70, 19,960,330.35 and 5,214,986.90 is: 7,824,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,387.70 : 19,960,330.35 = 5,214,986.90 : x
  2. Step 2: Convert to fraction form
    13,303,387.70/19,960,330.35 = 5,214,986.90/x
  3. Step 3: Cross multiply
    13,303,387.70x = 19,960,330.35 × 5,214,986.90
  4. Step 4: Simplify right side
    13,303,387.70x = 104,092,861,294,922.44
  5. Step 5: Solve for x
    x = 104,092,861,294,922.44/13,303,387.70
  6. Step 6: Final answer
    x = 7,824,537.90

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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.