Home / 9,273,639.40-13,903,979.10-5,485,172.20

Finding the Fourth Proportional to 9,273,639.40, 13,903,979.10 and 5,485,172.20

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Solution

The fourth proportional to 9,273,639.40, 13,903,979.10 and 5,485,172.20 is: 8,223,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,273,639.40 : 13,903,979.10 = 5,485,172.20 : x
  2. Step 2: Convert to fraction form
    9,273,639.40/13,903,979.10 = 5,485,172.20/x
  3. Step 3: Cross multiply
    9,273,639.40x = 13,903,979.10 × 5,485,172.20
  4. Step 4: Simplify right side
    9,273,639.40x = 76,265,719,628,701.02
  5. Step 5: Solve for x
    x = 76,265,719,628,701.02/9,273,639.40
  6. Step 6: Final answer
    x = 8,223,925.51

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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.