Home / 8,020,179.20-12,032,018.40-2,339,940.80

Finding the Fourth Proportional to 8,020,179.20, 12,032,018.40 and 2,339,940.80

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Solution

The fourth proportional to 8,020,179.20, 12,032,018.40 and 2,339,940.80 is: 3,510,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,179.20 : 12,032,018.40 = 2,339,940.80 : x
  2. Step 2: Convert to fraction form
    8,020,179.20/12,032,018.40 = 2,339,940.80/x
  3. Step 3: Cross multiply
    8,020,179.20x = 12,032,018.40 × 2,339,940.80
  4. Step 4: Simplify right side
    8,020,179.20x = 28,154,210,760,510.72
  5. Step 5: Solve for x
    x = 28,154,210,760,510.72/8,020,179.20
  6. Step 6: Final answer
    x = 3,510,421.66

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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.