Home / 12,123,634.70-16,732,783.23-7,229,171.90

Finding the Fourth Proportional to 12,123,634.70, 16,732,783.23 and 7,229,171.90

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Solution

The fourth proportional to 12,123,634.70, 16,732,783.23 and 7,229,171.90 is: 9,977,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,634.70 : 16,732,783.23 = 7,229,171.90 : x
  2. Step 2: Convert to fraction form
    12,123,634.70/16,732,783.23 = 7,229,171.90/x
  3. Step 3: Cross multiply
    12,123,634.70x = 16,732,783.23 × 7,229,171.90
  4. Step 4: Simplify right side
    12,123,634.70x = 120,964,166,335,107.25
  5. Step 5: Solve for x
    x = 120,964,166,335,107.25/12,123,634.70
  6. Step 6: Final answer
    x = 9,977,549.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.