Home / 12,891,016.04-19,336,529.21-3,175,818.02

Finding the Fourth Proportional to 12,891,016.04, 19,336,529.21 and 3,175,818.02

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Solution

The fourth proportional to 12,891,016.04, 19,336,529.21 and 3,175,818.02 is: 4,763,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891,016.04 : 19,336,529.21 = 3,175,818.02 : x
  2. Step 2: Convert to fraction form
    12,891,016.04/19,336,529.21 = 3,175,818.02/x
  3. Step 3: Cross multiply
    12,891,016.04x = 19,336,529.21 × 3,175,818.02
  4. Step 4: Simplify right side
    12,891,016.04x = 61,409,297,796,812.62
  5. Step 5: Solve for x
    x = 61,409,297,796,812.62/12,891,016.04
  6. Step 6: Final answer
    x = 4,763,728.29

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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.