Home / 12,119,237.19-16,725,366.86-6,964,653.51

Finding the Fourth Proportional to 12,119,237.19, 16,725,366.86 and 6,964,653.51

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Solution

The fourth proportional to 12,119,237.19, 16,725,366.86 and 6,964,653.51 is: 9,611,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119,237.19 : 16,725,366.86 = 6,964,653.51 : x
  2. Step 2: Convert to fraction form
    12,119,237.19/16,725,366.86 = 6,964,653.51/x
  3. Step 3: Cross multiply
    12,119,237.19x = 16,725,366.86 × 6,964,653.51
  4. Step 4: Simplify right side
    12,119,237.19x = 116,486,384,972,713.41
  5. Step 5: Solve for x
    x = 116,486,384,972,713.41/12,119,237.19
  6. Step 6: Final answer
    x = 9,611,692.81

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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.