Home / 13,342,410-18,412,591.41-7,230,838.50

Finding the Fourth Proportional to 13,342,410, 18,412,591.41 and 7,230,838.50

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Solution

The fourth proportional to 13,342,410, 18,412,591.41 and 7,230,838.50 is: 9,978,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,410 : 18,412,591.41 = 7,230,838.50 : x
  2. Step 2: Convert to fraction form
    13,342,410/18,412,591.41 = 7,230,838.50/x
  3. Step 3: Cross multiply
    13,342,410x = 18,412,591.41 × 7,230,838.50
  4. Step 4: Simplify right side
    13,342,410x = 133,138,474,852,197.28
  5. Step 5: Solve for x
    x = 133,138,474,852,197.28/13,342,410
  6. Step 6: Final answer
    x = 9,978,592.69

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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.