Home / 12,303,554.70-18,449,802.45-4,728,002.70

Finding the Fourth Proportional to 12,303,554.70, 18,449,802.45 and 4,728,002.70

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Solution

The fourth proportional to 12,303,554.70, 18,449,802.45 and 4,728,002.70 is: 7,089,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,554.70 : 18,449,802.45 = 4,728,002.70 : x
  2. Step 2: Convert to fraction form
    12,303,554.70/18,449,802.45 = 4,728,002.70/x
  3. Step 3: Cross multiply
    12,303,554.70x = 18,449,802.45 × 4,728,002.70
  4. Step 4: Simplify right side
    12,303,554.70x = 87,230,715,798,066.61
  5. Step 5: Solve for x
    x = 87,230,715,798,066.61/12,303,554.70
  6. Step 6: Final answer
    x = 7,089,879.14

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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.