Home / 12,616,280.80-18,924,149.44-3,518,135.96

Finding the Fourth Proportional to 12,616,280.80, 18,924,149.44 and 3,518,135.96

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Solution

The fourth proportional to 12,616,280.80, 18,924,149.44 and 3,518,135.96 is: 5,277,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,280.80 : 18,924,149.44 = 3,518,135.96 : x
  2. Step 2: Convert to fraction form
    12,616,280.80/18,924,149.44 = 3,518,135.96/x
  3. Step 3: Cross multiply
    12,616,280.80x = 18,924,149.44 × 3,518,135.96
  4. Step 4: Simplify right side
    12,616,280.80x = 66,577,730,657,277.87
  5. Step 5: Solve for x
    x = 66,577,730,657,277.87/12,616,280.80
  6. Step 6: Final answer
    x = 5,277,128.16

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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.