Home / 14,571,784.60-21,870,896.10-7,388,315.80

Finding the Fourth Proportional to 14,571,784.60, 21,870,896.10 and 7,388,315.80

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Solution

The fourth proportional to 14,571,784.60, 21,870,896.10 and 7,388,315.80 is: 11,089,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571,784.60 : 21,870,896.10 = 7,388,315.80 : x
  2. Step 2: Convert to fraction form
    14,571,784.60/21,870,896.10 = 7,388,315.80/x
  3. Step 3: Cross multiply
    14,571,784.60x = 21,870,896.10 × 7,388,315.80
  4. Step 4: Simplify right side
    14,571,784.60x = 161,589,087,215,788.38
  5. Step 5: Solve for x
    x = 161,589,087,215,788.38/14,571,784.60
  6. Step 6: Final answer
    x = 11,089,176.22

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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.