Home / 21,193,532.50-31,795,039.68-7,730,360.50

Finding the Fourth Proportional to 21,193,532.50, 31,795,039.68 and 7,730,360.50

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Solution

The fourth proportional to 21,193,532.50, 31,795,039.68 and 7,730,360.50 is: 11,597,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,532.50 : 31,795,039.68 = 7,730,360.50 : x
  2. Step 2: Convert to fraction form
    21,193,532.50/31,795,039.68 = 7,730,360.50/x
  3. Step 3: Cross multiply
    21,193,532.50x = 31,795,039.68 × 7,730,360.50
  4. Step 4: Simplify right side
    21,193,532.50x = 245,787,118,838,204.62
  5. Step 5: Solve for x
    x = 245,787,118,838,204.62/21,193,532.50
  6. Step 6: Final answer
    x = 11,597,270.01

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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.