Home / 20,724,224.42-28,599,457.25-11,431,584.87

Finding the Fourth Proportional to 20,724,224.42, 28,599,457.25 and 11,431,584.87

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Solution

The fourth proportional to 20,724,224.42, 28,599,457.25 and 11,431,584.87 is: 15,775,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,224.42 : 28,599,457.25 = 11,431,584.87 : x
  2. Step 2: Convert to fraction form
    20,724,224.42/28,599,457.25 = 11,431,584.87/x
  3. Step 3: Cross multiply
    20,724,224.42x = 28,599,457.25 × 11,431,584.87
  4. Step 4: Simplify right side
    20,724,224.42x = 326,937,122,789,311.81
  5. Step 5: Solve for x
    x = 326,937,122,789,311.81/20,724,224.42
  6. Step 6: Final answer
    x = 15,775,602.32

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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.