Home / 8,042,953.85-12,064,514.87-3,186,442.21

Finding the Fourth Proportional to 8,042,953.85, 12,064,514.87 and 3,186,442.21

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Solution

The fourth proportional to 8,042,953.85, 12,064,514.87 and 3,186,442.21 is: 4,779,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,953.85 : 12,064,514.87 = 3,186,442.21 : x
  2. Step 2: Convert to fraction form
    8,042,953.85/12,064,514.87 = 3,186,442.21/x
  3. Step 3: Cross multiply
    8,042,953.85x = 12,064,514.87 × 3,186,442.21
  4. Step 4: Simplify right side
    8,042,953.85x = 38,442,879,424,940.66
  5. Step 5: Solve for x
    x = 38,442,879,424,940.66/8,042,953.85
  6. Step 6: Final answer
    x = 4,779,696.63

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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.