Home / 40,530,513.55-60,786,653.34-18,649,904.32

Finding the Fourth Proportional to 40,530,513.55, 60,786,653.34 and 18,649,904.32

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Solution

The fourth proportional to 40,530,513.55, 60,786,653.34 and 18,649,904.32 is: 27,970,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530,513.55 : 60,786,653.34 = 18,649,904.32 : x
  2. Step 2: Convert to fraction form
    40,530,513.55/60,786,653.34 = 18,649,904.32/x
  3. Step 3: Cross multiply
    40,530,513.55x = 60,786,653.34 × 18,649,904.32
  4. Step 4: Simplify right side
    40,530,513.55x = 1,133,665,268,724,008.50
  5. Step 5: Solve for x
    x = 1,133,665,268,724,008.50/40,530,513.55
  6. Step 6: Final answer
    x = 27,970,661.35

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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.