Home / 13,611,034.68-18,779,198.38-8,099,991.51

Finding the Fourth Proportional to 13,611,034.68, 18,779,198.38 and 8,099,991.51

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Solution

The fourth proportional to 13,611,034.68, 18,779,198.38 and 8,099,991.51 is: 11,175,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,034.68 : 18,779,198.38 = 8,099,991.51 : x
  2. Step 2: Convert to fraction form
    13,611,034.68/18,779,198.38 = 8,099,991.51/x
  3. Step 3: Cross multiply
    13,611,034.68x = 18,779,198.38 × 8,099,991.51
  4. Step 4: Simplify right side
    13,611,034.68x = 152,111,347,442,605.75
  5. Step 5: Solve for x
    x = 152,111,347,442,605.75/13,611,034.68
  6. Step 6: Final answer
    x = 11,175,590.32

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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.