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Finding the Fourth Proportional to 8,557,474.03, 12,830,506.80 and 4,448,696.98

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Solution

The fourth proportional to 8,557,474.03, 12,830,506.80 and 4,448,696.98 is: 6,670,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557,474.03 : 12,830,506.80 = 4,448,696.98 : x
  2. Step 2: Convert to fraction form
    8,557,474.03/12,830,506.80 = 4,448,696.98/x
  3. Step 3: Cross multiply
    8,557,474.03x = 12,830,506.80 × 4,448,696.98
  4. Step 4: Simplify right side
    8,557,474.03x = 57,079,036,853,029.48
  5. Step 5: Solve for x
    x = 57,079,036,853,029.48/8,557,474.03
  6. Step 6: Final answer
    x = 6,670,080.06

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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.