Home / 12,063,005.40-18,108,504.90-7,276,099.80

Finding the Fourth Proportional to 12,063,005.40, 18,108,504.90 and 7,276,099.80

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Solution

The fourth proportional to 12,063,005.40, 18,108,504.90 and 7,276,099.80 is: 10,922,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063,005.40 : 18,108,504.90 = 7,276,099.80 : x
  2. Step 2: Convert to fraction form
    12,063,005.40/18,108,504.90 = 7,276,099.80/x
  3. Step 3: Cross multiply
    12,063,005.40x = 18,108,504.90 × 7,276,099.80
  4. Step 4: Simplify right side
    12,063,005.40x = 131,759,288,881,189
  5. Step 5: Solve for x
    x = 131,759,288,881,189/12,063,005.40
  6. Step 6: Final answer
    x = 10,922,592.22

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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.