Home / 8,430,645.24-12,645,976.98-3,946,070.52

Finding the Fourth Proportional to 8,430,645.24, 12,645,976.98 and 3,946,070.52

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Solution

The fourth proportional to 8,430,645.24, 12,645,976.98 and 3,946,070.52 is: 5,919,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,645.24 : 12,645,976.98 = 3,946,070.52 : x
  2. Step 2: Convert to fraction form
    8,430,645.24/12,645,976.98 = 3,946,070.52/x
  3. Step 3: Cross multiply
    8,430,645.24x = 12,645,976.98 × 3,946,070.52
  4. Step 4: Simplify right side
    8,430,645.24x = 49,901,916,957,376.63
  5. Step 5: Solve for x
    x = 49,901,916,957,376.63/8,430,645.24
  6. Step 6: Final answer
    x = 5,919,110.05

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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.