Home / 12,452,579.10-18,678,868.65-11,066,895.90

Finding the Fourth Proportional to 12,452,579.10, 18,678,868.65 and 11,066,895.90

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Solution

The fourth proportional to 12,452,579.10, 18,678,868.65 and 11,066,895.90 is: 16,600,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,579.10 : 18,678,868.65 = 11,066,895.90 : x
  2. Step 2: Convert to fraction form
    12,452,579.10/18,678,868.65 = 11,066,895.90/x
  3. Step 3: Cross multiply
    12,452,579.10x = 18,678,868.65 × 11,066,895.90
  4. Step 4: Simplify right side
    12,452,579.10x = 206,717,094,879,323.53
  5. Step 5: Solve for x
    x = 206,717,094,879,323.53/12,452,579.10
  6. Step 6: Final answer
    x = 16,600,343.85

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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.