Home / 18,719,107.84-25,832,539.74-10,984,279.06

Finding the Fourth Proportional to 18,719,107.84, 25,832,539.74 and 10,984,279.06

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Solution

The fourth proportional to 18,719,107.84, 25,832,539.74 and 10,984,279.06 is: 15,158,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,107.84 : 25,832,539.74 = 10,984,279.06 : x
  2. Step 2: Convert to fraction form
    18,719,107.84/25,832,539.74 = 10,984,279.06/x
  3. Step 3: Cross multiply
    18,719,107.84x = 25,832,539.74 × 10,984,279.06
  4. Step 4: Simplify right side
    18,719,107.84x = 283,751,825,332,699.81
  5. Step 5: Solve for x
    x = 283,751,825,332,699.81/18,719,107.84
  6. Step 6: Final answer
    x = 15,158,405.40

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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.