Home / 8,424,003.20-12,636,004.80-4,164,828.80

Finding the Fourth Proportional to 8,424,003.20, 12,636,004.80 and 4,164,828.80

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Solution

The fourth proportional to 8,424,003.20, 12,636,004.80 and 4,164,828.80 is: 6,247,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,003.20 : 12,636,004.80 = 4,164,828.80 : x
  2. Step 2: Convert to fraction form
    8,424,003.20/12,636,004.80 = 4,164,828.80/x
  3. Step 3: Cross multiply
    8,424,003.20x = 12,636,004.80 × 4,164,828.80
  4. Step 4: Simplify right side
    8,424,003.20x = 52,626,796,707,978.24
  5. Step 5: Solve for x
    x = 52,626,796,707,978.24/8,424,003.20
  6. Step 6: Final answer
    x = 6,247,243.20

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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.