Home / 8,738,129.61-12,059,027.15-4,870,678.77

Finding the Fourth Proportional to 8,738,129.61, 12,059,027.15 and 4,870,678.77

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Solution

The fourth proportional to 8,738,129.61, 12,059,027.15 and 4,870,678.77 is: 6,721,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738,129.61 : 12,059,027.15 = 4,870,678.77 : x
  2. Step 2: Convert to fraction form
    8,738,129.61/12,059,027.15 = 4,870,678.77/x
  3. Step 3: Cross multiply
    8,738,129.61x = 12,059,027.15 × 4,870,678.77
  4. Step 4: Simplify right side
    8,738,129.61x = 58,735,647,502,005.20
  5. Step 5: Solve for x
    x = 58,735,647,502,005.20/8,738,129.61
  6. Step 6: Final answer
    x = 6,721,764.28

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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.