Home / 14,571,783.60-21,870,894.60-7,388,314.80

Finding the Fourth Proportional to 14,571,783.60, 21,870,894.60 and 7,388,314.80

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Solution

The fourth proportional to 14,571,783.60, 21,870,894.60 and 7,388,314.80 is: 11,089,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571,783.60 : 21,870,894.60 = 7,388,314.80 : x
  2. Step 2: Convert to fraction form
    14,571,783.60/21,870,894.60 = 7,388,314.80/x
  3. Step 3: Cross multiply
    14,571,783.60x = 21,870,894.60 × 7,388,314.80
  4. Step 4: Simplify right side
    14,571,783.60x = 161,589,054,262,420.09
  5. Step 5: Solve for x
    x = 161,589,054,262,420.09/14,571,783.60
  6. Step 6: Final answer
    x = 11,089,174.72

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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.