Home / 28,202,859-38,931,850.44-19,047,902.04

Finding the Fourth Proportional to 28,202,859, 38,931,850.44 and 19,047,902.04

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Solution

The fourth proportional to 28,202,859, 38,931,850.44 and 19,047,902.04 is: 26,294,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,859 : 38,931,850.44 = 19,047,902.04 : x
  2. Step 2: Convert to fraction form
    28,202,859/38,931,850.44 = 19,047,902.04/x
  3. Step 3: Cross multiply
    28,202,859x = 38,931,850.44 × 19,047,902.04
  4. Step 4: Simplify right side
    28,202,859x = 741,570,073,417,050.88
  5. Step 5: Solve for x
    x = 741,570,073,417,050.88/28,202,859
  6. Step 6: Final answer
    x = 26,294,145.34

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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.