Home / 18,775,050.41-28,172,179.14-8,938,229.72

Finding the Fourth Proportional to 18,775,050.41, 28,172,179.14 and 8,938,229.72

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Solution

The fourth proportional to 18,775,050.41, 28,172,179.14 and 8,938,229.72 is: 13,411,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775,050.41 : 28,172,179.14 = 8,938,229.72 : x
  2. Step 2: Convert to fraction form
    18,775,050.41/28,172,179.14 = 8,938,229.72/x
  3. Step 3: Cross multiply
    18,775,050.41x = 28,172,179.14 × 8,938,229.72
  4. Step 4: Simplify right side
    18,775,050.41x = 251,809,408,866,312.06
  5. Step 5: Solve for x
    x = 251,809,408,866,312.06/18,775,050.41
  6. Step 6: Final answer
    x = 13,411,916.53

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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.