Home / 7,938,220.73-11,911,267.69-3,145,803.89

Finding the Fourth Proportional to 7,938,220.73, 11,911,267.69 and 3,145,803.89

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Solution

The fourth proportional to 7,938,220.73, 11,911,267.69 and 3,145,803.89 is: 4,720,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,220.73 : 11,911,267.69 = 3,145,803.89 : x
  2. Step 2: Convert to fraction form
    7,938,220.73/11,911,267.69 = 3,145,803.89/x
  3. Step 3: Cross multiply
    7,938,220.73x = 11,911,267.69 × 3,145,803.89
  4. Step 4: Simplify right side
    7,938,220.73x = 37,470,512,166,612.46
  5. Step 5: Solve for x
    x = 37,470,512,166,612.46/7,938,220.73
  6. Step 6: Final answer
    x = 4,720,265.85

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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.