Home / 12,112,155.60-18,160,915.44-4,826,735.84

Finding the Fourth Proportional to 12,112,155.60, 18,160,915.44 and 4,826,735.84

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Solution

The fourth proportional to 12,112,155.60, 18,160,915.44 and 4,826,735.84 is: 7,237,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,155.60 : 18,160,915.44 = 4,826,735.84 : x
  2. Step 2: Convert to fraction form
    12,112,155.60/18,160,915.44 = 4,826,735.84/x
  3. Step 3: Cross multiply
    12,112,155.60x = 18,160,915.44 × 4,826,735.84
  4. Step 4: Simplify right side
    12,112,155.60x = 87,657,941,441,457.38
  5. Step 5: Solve for x
    x = 87,657,941,441,457.38/12,112,155.60
  6. Step 6: Final answer
    x = 7,237,187.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.