Home / 7,422,409.80-11,133,614.70-4,900,912.20

Finding the Fourth Proportional to 7,422,409.80, 11,133,614.70 and 4,900,912.20

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Solution

The fourth proportional to 7,422,409.80, 11,133,614.70 and 4,900,912.20 is: 7,351,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,409.80 : 11,133,614.70 = 4,900,912.20 : x
  2. Step 2: Convert to fraction form
    7,422,409.80/11,133,614.70 = 4,900,912.20/x
  3. Step 3: Cross multiply
    7,422,409.80x = 11,133,614.70 × 4,900,912.20
  4. Step 4: Simplify right side
    7,422,409.80x = 54,564,868,113,329.34
  5. Step 5: Solve for x
    x = 54,564,868,113,329.34/7,422,409.80
  6. Step 6: Final answer
    x = 7,351,368.30

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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.