Home / 21,534,334.76-29,716,333.44-12,832,313.60

Finding the Fourth Proportional to 21,534,334.76, 29,716,333.44 and 12,832,313.60

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Solution

The fourth proportional to 21,534,334.76, 29,716,333.44 and 12,832,313.60 is: 17,707,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534,334.76 : 29,716,333.44 = 12,832,313.60 : x
  2. Step 2: Convert to fraction form
    21,534,334.76/29,716,333.44 = 12,832,313.60/x
  3. Step 3: Cross multiply
    21,534,334.76x = 29,716,333.44 × 12,832,313.60
  4. Step 4: Simplify right side
    21,534,334.76x = 381,329,309,744,246.81
  5. Step 5: Solve for x
    x = 381,329,309,744,246.81/21,534,334.76
  6. Step 6: Final answer
    x = 17,707,967.95

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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.