Home / 11,809,319.60-17,713,979.40-3,831,143.60

Finding the Fourth Proportional to 11,809,319.60, 17,713,979.40 and 3,831,143.60

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Solution

The fourth proportional to 11,809,319.60, 17,713,979.40 and 3,831,143.60 is: 5,746,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809,319.60 : 17,713,979.40 = 3,831,143.60 : x
  2. Step 2: Convert to fraction form
    11,809,319.60/17,713,979.40 = 3,831,143.60/x
  3. Step 3: Cross multiply
    11,809,319.60x = 17,713,979.40 × 3,831,143.60
  4. Step 4: Simplify right side
    11,809,319.60x = 67,864,798,808,841.84
  5. Step 5: Solve for x
    x = 67,864,798,808,841.84/11,809,319.60
  6. Step 6: Final answer
    x = 5,746,715.40

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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.