Home / 10,761,828.84-16,142,801.64-3,188,860.20

Finding the Fourth Proportional to 10,761,828.84, 16,142,801.64 and 3,188,860.20

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Solution

The fourth proportional to 10,761,828.84, 16,142,801.64 and 3,188,860.20 is: 4,783,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761,828.84 : 16,142,801.64 = 3,188,860.20 : x
  2. Step 2: Convert to fraction form
    10,761,828.84/16,142,801.64 = 3,188,860.20/x
  3. Step 3: Cross multiply
    10,761,828.84x = 16,142,801.64 × 3,188,860.20
  4. Step 4: Simplify right side
    10,761,828.84x = 51,477,137,666,290.73
  5. Step 5: Solve for x
    x = 51,477,137,666,290.73/10,761,828.84
  6. Step 6: Final answer
    x = 4,783,307.60

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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.