Home / 13,611,033.68-18,779,197.01-8,099,990.51

Finding the Fourth Proportional to 13,611,033.68, 18,779,197.01 and 8,099,990.51

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Solution

The fourth proportional to 13,611,033.68, 18,779,197.01 and 8,099,990.51 is: 11,175,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,033.68 : 18,779,197.01 = 8,099,990.51 : x
  2. Step 2: Convert to fraction form
    13,611,033.68/18,779,197.01 = 8,099,990.51/x
  3. Step 3: Cross multiply
    13,611,033.68x = 18,779,197.01 × 8,099,990.51
  4. Step 4: Simplify right side
    13,611,033.68x = 152,111,317,432,024.44
  5. Step 5: Solve for x
    x = 152,111,317,432,024.44/13,611,033.68
  6. Step 6: Final answer
    x = 11,175,588.94

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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.