Home / 30,158,022.76-41,632,526.46-18,565,523.08

Finding the Fourth Proportional to 30,158,022.76, 41,632,526.46 and 18,565,523.08

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Solution

The fourth proportional to 30,158,022.76, 41,632,526.46 and 18,565,523.08 is: 25,629,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158,022.76 : 41,632,526.46 = 18,565,523.08 : x
  2. Step 2: Convert to fraction form
    30,158,022.76/41,632,526.46 = 18,565,523.08/x
  3. Step 3: Cross multiply
    30,158,022.76x = 41,632,526.46 × 18,565,523.08
  4. Step 4: Simplify right side
    30,158,022.76x = 772,929,630,871,840.62
  5. Step 5: Solve for x
    x = 772,929,630,871,840.62/30,158,022.76
  6. Step 6: Final answer
    x = 25,629,320.50

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Double scale
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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.