Home / 13,572,511.20-20,358,766.80-8,178,385.05

Finding the Fourth Proportional to 13,572,511.20, 20,358,766.80 and 8,178,385.05

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Solution

The fourth proportional to 13,572,511.20, 20,358,766.80 and 8,178,385.05 is: 12,267,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,511.20 : 20,358,766.80 = 8,178,385.05 : x
  2. Step 2: Convert to fraction form
    13,572,511.20/20,358,766.80 = 8,178,385.05/x
  3. Step 3: Cross multiply
    13,572,511.20x = 20,358,766.80 × 8,178,385.05
  4. Step 4: Simplify right side
    13,572,511.20x = 166,501,834,033,556.34
  5. Step 5: Solve for x
    x = 166,501,834,033,556.34/13,572,511.20
  6. Step 6: Final answer
    x = 12,267,577.58

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1.5x scale

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.