Home / 13,351,511.10-20,027,266.65-12,455,715.90

Finding the Fourth Proportional to 13,351,511.10, 20,027,266.65 and 12,455,715.90

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Solution

The fourth proportional to 13,351,511.10, 20,027,266.65 and 12,455,715.90 is: 18,683,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,511.10 : 20,027,266.65 = 12,455,715.90 : x
  2. Step 2: Convert to fraction form
    13,351,511.10/20,027,266.65 = 12,455,715.90/x
  3. Step 3: Cross multiply
    13,351,511.10x = 20,027,266.65 × 12,455,715.90
  4. Step 4: Simplify right side
    13,351,511.10x = 249,453,943,645,944.72
  5. Step 5: Solve for x
    x = 249,453,943,645,944.72/13,351,511.10
  6. Step 6: Final answer
    x = 18,683,573.85

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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.