Home / 38,128,338.24-52,617,170.34-20,724,639.36

Finding the Fourth Proportional to 38,128,338.24, 52,617,170.34 and 20,724,639.36

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Solution

The fourth proportional to 38,128,338.24, 52,617,170.34 and 20,724,639.36 is: 28,600,036.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,128,338.24 : 52,617,170.34 = 20,724,639.36 : x
  2. Step 2: Convert to fraction form
    38,128,338.24/52,617,170.34 = 20,724,639.36/x
  3. Step 3: Cross multiply
    38,128,338.24x = 52,617,170.34 × 20,724,639.36
  4. Step 4: Simplify right side
    38,128,338.24x = 1,090,471,879,440,188.62
  5. Step 5: Solve for x
    x = 1,090,471,879,440,188.62/38,128,338.24
  6. Step 6: Final answer
    x = 28,600,036.87

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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.