Home / 12,224,441.60-16,869,630.72-6,642,639.28

Finding the Fourth Proportional to 12,224,441.60, 16,869,630.72 and 6,642,639.28

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Solution

The fourth proportional to 12,224,441.60, 16,869,630.72 and 6,642,639.28 is: 9,166,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,441.60 : 16,869,630.72 = 6,642,639.28 : x
  2. Step 2: Convert to fraction form
    12,224,441.60/16,869,630.72 = 6,642,639.28/x
  3. Step 3: Cross multiply
    12,224,441.60x = 16,869,630.72 × 6,642,639.28
  4. Step 4: Simplify right side
    12,224,441.60x = 112,058,871,659,766.67
  5. Step 5: Solve for x
    x = 112,058,871,659,766.67/12,224,441.60
  6. Step 6: Final answer
    x = 9,166,788.58

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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.