Home / 30,146,168.86-45,219,525.95-8,580,760.54

Finding the Fourth Proportional to 30,146,168.86, 45,219,525.95 and 8,580,760.54

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Solution

The fourth proportional to 30,146,168.86, 45,219,525.95 and 8,580,760.54 is: 12,871,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,168.86 : 45,219,525.95 = 8,580,760.54 : x
  2. Step 2: Convert to fraction form
    30,146,168.86/45,219,525.95 = 8,580,760.54/x
  3. Step 3: Cross multiply
    30,146,168.86x = 45,219,525.95 × 8,580,760.54
  4. Step 4: Simplify right side
    30,146,168.86x = 388,017,923,817,669.06
  5. Step 5: Solve for x
    x = 388,017,923,817,669.06/30,146,168.86
  6. Step 6: Final answer
    x = 12,871,218.42

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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.