Home / 13,803,220.80-20,704,636.80-6,230,174.40

Finding the Fourth Proportional to 13,803,220.80, 20,704,636.80 and 6,230,174.40

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Solution

The fourth proportional to 13,803,220.80, 20,704,636.80 and 6,230,174.40 is: 9,345,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803,220.80 : 20,704,636.80 = 6,230,174.40 : x
  2. Step 2: Convert to fraction form
    13,803,220.80/20,704,636.80 = 6,230,174.40/x
  3. Step 3: Cross multiply
    13,803,220.80x = 20,704,636.80 × 6,230,174.40
  4. Step 4: Simplify right side
    13,803,220.80x = 128,993,498,152,657.94
  5. Step 5: Solve for x
    x = 128,993,498,152,657.94/13,803,220.80
  6. Step 6: Final answer
    x = 9,345,173.86

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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.