Home / 11,878,711.48-16,392,632.34-6,446,203.48

Finding the Fourth Proportional to 11,878,711.48, 16,392,632.34 and 6,446,203.48

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Solution

The fourth proportional to 11,878,711.48, 16,392,632.34 and 6,446,203.48 is: 8,895,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,711.48 : 16,392,632.34 = 6,446,203.48 : x
  2. Step 2: Convert to fraction form
    11,878,711.48/16,392,632.34 = 6,446,203.48/x
  3. Step 3: Cross multiply
    11,878,711.48x = 16,392,632.34 × 6,446,203.48
  4. Step 4: Simplify right side
    11,878,711.48x = 105,670,243,636,468.55
  5. Step 5: Solve for x
    x = 105,670,243,636,468.55/11,878,711.48
  6. Step 6: Final answer
    x = 8,895,766.50

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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.