Home / 12,123,256.20-16,732,260.90-7,228,793.40

Finding the Fourth Proportional to 12,123,256.20, 16,732,260.90 and 7,228,793.40

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Solution

The fourth proportional to 12,123,256.20, 16,732,260.90 and 7,228,793.40 is: 9,977,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,256.20 : 16,732,260.90 = 7,228,793.40 : x
  2. Step 2: Convert to fraction form
    12,123,256.20/16,732,260.90 = 7,228,793.40/x
  3. Step 3: Cross multiply
    12,123,256.20x = 16,732,260.90 × 7,228,793.40
  4. Step 4: Simplify right side
    12,123,256.20x = 120,954,057,160,998.06
  5. Step 5: Solve for x
    x = 120,954,057,160,998.06/12,123,256.20
  6. Step 6: Final answer
    x = 9,977,027.22

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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.