Home / 13,105,688.20-19,658,532.30-11,830,229.80

Finding the Fourth Proportional to 13,105,688.20, 19,658,532.30 and 11,830,229.80

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Solution

The fourth proportional to 13,105,688.20, 19,658,532.30 and 11,830,229.80 is: 17,745,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,688.20 : 19,658,532.30 = 11,830,229.80 : x
  2. Step 2: Convert to fraction form
    13,105,688.20/19,658,532.30 = 11,830,229.80/x
  3. Step 3: Cross multiply
    13,105,688.20x = 19,658,532.30 × 11,830,229.80
  4. Step 4: Simplify right side
    13,105,688.20x = 232,564,954,639,722.56
  5. Step 5: Solve for x
    x = 232,564,954,639,722.56/13,105,688.20
  6. Step 6: Final answer
    x = 17,745,344.70

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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.