Home / 12,285,928.40-18,428,892.60-12,046,779.95

Finding the Fourth Proportional to 12,285,928.40, 18,428,892.60 and 12,046,779.95

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Solution

The fourth proportional to 12,285,928.40, 18,428,892.60 and 12,046,779.95 is: 18,070,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,928.40 : 18,428,892.60 = 12,046,779.95 : x
  2. Step 2: Convert to fraction form
    12,285,928.40/18,428,892.60 = 12,046,779.95/x
  3. Step 3: Cross multiply
    12,285,928.40x = 18,428,892.60 × 12,046,779.95
  4. Step 4: Simplify right side
    12,285,928.40x = 222,008,813,874,383.38
  5. Step 5: Solve for x
    x = 222,008,813,874,383.38/12,285,928.40
  6. Step 6: Final answer
    x = 18,070,169.93

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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.