Home / 8,081,126.30-12,122,272.65-4,879,358.30

Finding the Fourth Proportional to 8,081,126.30, 12,122,272.65 and 4,879,358.30

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Solution

The fourth proportional to 8,081,126.30, 12,122,272.65 and 4,879,358.30 is: 7,319,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,126.30 : 12,122,272.65 = 4,879,358.30 : x
  2. Step 2: Convert to fraction form
    8,081,126.30/12,122,272.65 = 4,879,358.30/x
  3. Step 3: Cross multiply
    8,081,126.30x = 12,122,272.65 × 4,879,358.30
  4. Step 4: Simplify right side
    8,081,126.30x = 59,148,911,669,640.49
  5. Step 5: Solve for x
    x = 59,148,911,669,640.49/8,081,126.30
  6. Step 6: Final answer
    x = 7,319,389.58

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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.