Home / 12,364,627.20-18,538,300.80-7,313,337.60

Finding the Fourth Proportional to 12,364,627.20, 18,538,300.80 and 7,313,337.60

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Solution

The fourth proportional to 12,364,627.20, 18,538,300.80 and 7,313,337.60 is: 10,964,896.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,627.20 : 18,538,300.80 = 7,313,337.60 : x
  2. Step 2: Convert to fraction form
    12,364,627.20/18,538,300.80 = 7,313,337.60/x
  3. Step 3: Cross multiply
    12,364,627.20x = 18,538,300.80 × 7,313,337.60
  4. Step 4: Simplify right side
    12,364,627.20x = 135,576,852,280,750.08
  5. Step 5: Solve for x
    x = 135,576,852,280,750.08/12,364,627.20
  6. Step 6: Final answer
    x = 10,964,896.08

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1.5x scale

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.