Home / 28,133,746.82-42,200,161.03-8,964,244.74

Finding the Fourth Proportional to 28,133,746.82, 42,200,161.03 and 8,964,244.74

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Solution

The fourth proportional to 28,133,746.82, 42,200,161.03 and 8,964,244.74 is: 13,446,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133,746.82 : 42,200,161.03 = 8,964,244.74 : x
  2. Step 2: Convert to fraction form
    28,133,746.82/42,200,161.03 = 8,964,244.74/x
  3. Step 3: Cross multiply
    28,133,746.82x = 42,200,161.03 × 8,964,244.74
  4. Step 4: Simplify right side
    28,133,746.82x = 378,292,571,540,330.50
  5. Step 5: Solve for x
    x = 378,292,571,540,330.50/28,133,746.82
  6. Step 6: Final answer
    x = 13,446,220.80

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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.