Home / 12,452,555.10-18,678,832.65-11,066,871.90

Finding the Fourth Proportional to 12,452,555.10, 18,678,832.65 and 11,066,871.90

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Solution

The fourth proportional to 12,452,555.10, 18,678,832.65 and 11,066,871.90 is: 16,600,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,555.10 : 18,678,832.65 = 11,066,871.90 : x
  2. Step 2: Convert to fraction form
    12,452,555.10/18,678,832.65 = 11,066,871.90/x
  3. Step 3: Cross multiply
    12,452,555.10x = 18,678,832.65 × 11,066,871.90
  4. Step 4: Simplify right side
    12,452,555.10x = 206,716,248,179,087.53
  5. Step 5: Solve for x
    x = 206,716,248,179,087.53/12,452,555.10
  6. Step 6: Final answer
    x = 16,600,307.85

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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.