Home / 20,622,792.17-28,459,928.07-11,330,941.77

Finding the Fourth Proportional to 20,622,792.17, 28,459,928.07 and 11,330,941.77

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Solution

The fourth proportional to 20,622,792.17, 28,459,928.07 and 11,330,941.77 is: 15,636,960.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622,792.17 : 28,459,928.07 = 11,330,941.77 : x
  2. Step 2: Convert to fraction form
    20,622,792.17/28,459,928.07 = 11,330,941.77/x
  3. Step 3: Cross multiply
    20,622,792.17x = 28,459,928.07 × 11,330,941.77
  4. Step 4: Simplify right side
    20,622,792.17x = 322,477,787,739,558.50
  5. Step 5: Solve for x
    x = 322,477,787,739,558.50/20,622,792.17
  6. Step 6: Final answer
    x = 15,636,960.56

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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.