Home / 30,158,013.60-41,632,513.79-18,565,513.92

Finding the Fourth Proportional to 30,158,013.60, 41,632,513.79 and 18,565,513.92

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Solution

The fourth proportional to 30,158,013.60, 41,632,513.79 and 18,565,513.92 is: 25,629,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158,013.60 : 41,632,513.79 = 18,565,513.92 : x
  2. Step 2: Convert to fraction form
    30,158,013.60/41,632,513.79 = 18,565,513.92/x
  3. Step 3: Cross multiply
    30,158,013.60x = 41,632,513.79 × 18,565,513.92
  4. Step 4: Simplify right side
    30,158,013.60x = 772,929,014,292,837
  5. Step 5: Solve for x
    x = 772,929,014,292,837/30,158,013.60
  6. Step 6: Final answer
    x = 25,629,307.84

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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.