Home / 13,384,143.48-18,470,234.86-7,272,571.98

Finding the Fourth Proportional to 13,384,143.48, 18,470,234.86 and 7,272,571.98

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Solution

The fourth proportional to 13,384,143.48, 18,470,234.86 and 7,272,571.98 is: 10,036,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384,143.48 : 18,470,234.86 = 7,272,571.98 : x
  2. Step 2: Convert to fraction form
    13,384,143.48/18,470,234.86 = 7,272,571.98/x
  3. Step 3: Cross multiply
    13,384,143.48x = 18,470,234.86 × 7,272,571.98
  4. Step 4: Simplify right side
    13,384,143.48x = 134,326,112,506,855.23
  5. Step 5: Solve for x
    x = 134,326,112,506,855.23/13,384,143.48
  6. Step 6: Final answer
    x = 10,036,212.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.