Home / 12,786,094.89-19,186,708.95-4,704,745.41

Finding the Fourth Proportional to 12,786,094.89, 19,186,708.95 and 4,704,745.41

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Solution

The fourth proportional to 12,786,094.89, 19,186,708.95 and 4,704,745.41 is: 7,059,902.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,094.89 : 19,186,708.95 = 4,704,745.41 : x
  2. Step 2: Convert to fraction form
    12,786,094.89/19,186,708.95 = 4,704,745.41/x
  3. Step 3: Cross multiply
    12,786,094.89x = 19,186,708.95 × 4,704,745.41
  4. Step 4: Simplify right side
    12,786,094.89x = 90,268,580,865,518.42
  5. Step 5: Solve for x
    x = 90,268,580,865,518.42/12,786,094.89
  6. Step 6: Final answer
    x = 7,059,902.31

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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.