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Finding the Fourth Proportional to 8,292,696.80, 12,444,574.80 and 4,698,456.80

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Solution

The fourth proportional to 8,292,696.80, 12,444,574.80 and 4,698,456.80 is: 7,050,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,696.80 : 12,444,574.80 = 4,698,456.80 : x
  2. Step 2: Convert to fraction form
    8,292,696.80/12,444,574.80 = 4,698,456.80/x
  3. Step 3: Cross multiply
    8,292,696.80x = 12,444,574.80 × 4,698,456.80
  4. Step 4: Simplify right side
    8,292,696.80x = 58,470,297,092,168.64
  5. Step 5: Solve for x
    x = 58,470,297,092,168.64/8,292,696.80
  6. Step 6: Final answer
    x = 7,050,818.15

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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.