Home / 11,685,716.90-16,127,123.81-6,458,612.61

Finding the Fourth Proportional to 11,685,716.90, 16,127,123.81 and 6,458,612.61

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Solution

The fourth proportional to 11,685,716.90, 16,127,123.81 and 6,458,612.61 is: 8,913,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685,716.90 : 16,127,123.81 = 6,458,612.61 : x
  2. Step 2: Convert to fraction form
    11,685,716.90/16,127,123.81 = 6,458,612.61/x
  3. Step 3: Cross multiply
    11,685,716.90x = 16,127,123.81 × 6,458,612.61
  4. Step 4: Simplify right side
    11,685,716.90x = 104,158,845,202,297.25
  5. Step 5: Solve for x
    x = 104,158,845,202,297.25/11,685,716.90
  6. Step 6: Final answer
    x = 8,913,346.62

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1.5x scale

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.