Home / 7,899,286.80-11,848,930.20-7,283,427.60

Finding the Fourth Proportional to 7,899,286.80, 11,848,930.20 and 7,283,427.60

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Solution

The fourth proportional to 7,899,286.80, 11,848,930.20 and 7,283,427.60 is: 10,925,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,286.80 : 11,848,930.20 = 7,283,427.60 : x
  2. Step 2: Convert to fraction form
    7,899,286.80/11,848,930.20 = 7,283,427.60/x
  3. Step 3: Cross multiply
    7,899,286.80x = 11,848,930.20 × 7,283,427.60
  4. Step 4: Simplify right side
    7,899,286.80x = 86,300,825,249,153.52
  5. Step 5: Solve for x
    x = 86,300,825,249,153.52/7,899,286.80
  6. Step 6: Final answer
    x = 10,925,141.40

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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.