Home / 12,934,511.10-19,401,766.65-8,903,432.70

Finding the Fourth Proportional to 12,934,511.10, 19,401,766.65 and 8,903,432.70

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Solution

The fourth proportional to 12,934,511.10, 19,401,766.65 and 8,903,432.70 is: 13,355,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,511.10 : 19,401,766.65 = 8,903,432.70 : x
  2. Step 2: Convert to fraction form
    12,934,511.10/19,401,766.65 = 8,903,432.70/x
  3. Step 3: Cross multiply
    12,934,511.10x = 19,401,766.65 × 8,903,432.70
  4. Step 4: Simplify right side
    12,934,511.10x = 172,742,323,629,379.44
  5. Step 5: Solve for x
    x = 172,742,323,629,379.44/12,934,511.10
  6. Step 6: Final answer
    x = 13,355,149.05

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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.