Home / 9,690,787.05-13,373,571.39-5,340,153.60

Finding the Fourth Proportional to 9,690,787.05, 13,373,571.39 and 5,340,153.60

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Solution

The fourth proportional to 9,690,787.05, 13,373,571.39 and 5,340,153.60 is: 7,369,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690,787.05 : 13,373,571.39 = 5,340,153.60 : x
  2. Step 2: Convert to fraction form
    9,690,787.05/13,373,571.39 = 5,340,153.60/x
  3. Step 3: Cross multiply
    9,690,787.05x = 13,373,571.39 × 5,340,153.60
  4. Step 4: Simplify right side
    9,690,787.05x = 71,416,925,403,165.50
  5. Step 5: Solve for x
    x = 71,416,925,403,165.50/9,690,787.05
  6. Step 6: Final answer
    x = 7,369,569.16

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1.5x scale

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.