Home / 8,738,120.61-12,059,014.73-4,870,669.77

Finding the Fourth Proportional to 8,738,120.61, 12,059,014.73 and 4,870,669.77

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Solution

The fourth proportional to 8,738,120.61, 12,059,014.73 and 4,870,669.77 is: 6,721,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738,120.61 : 12,059,014.73 = 4,870,669.77 : x
  2. Step 2: Convert to fraction form
    8,738,120.61/12,059,014.73 = 4,870,669.77/x
  3. Step 3: Cross multiply
    8,738,120.61x = 12,059,014.73 × 4,870,669.77
  4. Step 4: Simplify right side
    8,738,120.61x = 58,735,478,477,042.36
  5. Step 5: Solve for x
    x = 58,735,478,477,042.36/8,738,120.61
  6. Step 6: Final answer
    x = 6,721,751.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.