Home / 8,487,109.80-12,730,540.04-2,097,361.98

Finding the Fourth Proportional to 8,487,109.80, 12,730,540.04 and 2,097,361.98

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Solution

The fourth proportional to 8,487,109.80, 12,730,540.04 and 2,097,361.98 is: 3,146,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,109.80 : 12,730,540.04 = 2,097,361.98 : x
  2. Step 2: Convert to fraction form
    8,487,109.80/12,730,540.04 = 2,097,361.98/x
  3. Step 3: Cross multiply
    8,487,109.80x = 12,730,540.04 × 2,097,361.98
  4. Step 4: Simplify right side
    8,487,109.80x = 26,700,550,664,763.68
  5. Step 5: Solve for x
    x = 26,700,550,664,763.68/8,487,109.80
  6. Step 6: Final answer
    x = 3,146,012.16

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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.