Home / 19,421,861.80-29,122,295.10-8,063,458.60

Finding the Fourth Proportional to 19,421,861.80, 29,122,295.10 and 8,063,458.60

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Solution

The fourth proportional to 19,421,861.80, 29,122,295.10 and 8,063,458.60 is: 12,090,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,861.80 : 29,122,295.10 = 8,063,458.60 : x
  2. Step 2: Convert to fraction form
    19,421,861.80/29,122,295.10 = 8,063,458.60/x
  3. Step 3: Cross multiply
    19,421,861.80x = 29,122,295.10 × 8,063,458.60
  4. Step 4: Simplify right side
    19,421,861.80x = 234,826,420,875,832.88
  5. Step 5: Solve for x
    x = 234,826,420,875,832.88/19,421,861.80
  6. Step 6: Final answer
    x = 12,090,829.57

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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.