Home / 12,096,043.20-18,144,064.80-5,377,579.20

Finding the Fourth Proportional to 12,096,043.20, 18,144,064.80 and 5,377,579.20

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Solution

The fourth proportional to 12,096,043.20, 18,144,064.80 and 5,377,579.20 is: 8,066,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,043.20 : 18,144,064.80 = 5,377,579.20 : x
  2. Step 2: Convert to fraction form
    12,096,043.20/18,144,064.80 = 5,377,579.20/x
  3. Step 3: Cross multiply
    12,096,043.20x = 18,144,064.80 × 5,377,579.20
  4. Step 4: Simplify right side
    12,096,043.20x = 97,571,145,471,932.17
  5. Step 5: Solve for x
    x = 97,571,145,471,932.17/12,096,043.20
  6. Step 6: Final answer
    x = 8,066,368.80

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1.5x scale

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.