Home / 13,611,026.88-18,779,187.61-8,099,983.71

Finding the Fourth Proportional to 13,611,026.88, 18,779,187.61 and 8,099,983.71

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Solution

The fourth proportional to 13,611,026.88, 18,779,187.61 and 8,099,983.71 is: 11,175,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,026.88 : 18,779,187.61 = 8,099,983.71 : x
  2. Step 2: Convert to fraction form
    13,611,026.88/18,779,187.61 = 8,099,983.71/x
  3. Step 3: Cross multiply
    13,611,026.88x = 18,779,187.61 × 8,099,983.71
  4. Step 4: Simplify right side
    13,611,026.88x = 152,111,113,831,357.94
  5. Step 5: Solve for x
    x = 152,111,113,831,357.94/13,611,026.88
  6. Step 6: Final answer
    x = 11,175,579.56

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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.