Home / 40,320,353.20-60,480,529.80-13,394,009.20

Finding the Fourth Proportional to 40,320,353.20, 60,480,529.80 and 13,394,009.20

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Solution

The fourth proportional to 40,320,353.20, 60,480,529.80 and 13,394,009.20 is: 20,091,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320,353.20 : 60,480,529.80 = 13,394,009.20 : x
  2. Step 2: Convert to fraction form
    40,320,353.20/60,480,529.80 = 13,394,009.20/x
  3. Step 3: Cross multiply
    40,320,353.20x = 60,480,529.80 × 13,394,009.20
  4. Step 4: Simplify right side
    40,320,353.20x = 810,076,772,562,074.12
  5. Step 5: Solve for x
    x = 810,076,772,562,074.12/40,320,353.20
  6. Step 6: Final answer
    x = 20,091,013.80

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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.