Home / 12,948,806.40-19,425,801.60-3,850,886.40

Finding the Fourth Proportional to 12,948,806.40, 19,425,801.60 and 3,850,886.40

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Solution

The fourth proportional to 12,948,806.40, 19,425,801.60 and 3,850,886.40 is: 5,777,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,806.40 : 19,425,801.60 = 3,850,886.40 : x
  2. Step 2: Convert to fraction form
    12,948,806.40/19,425,801.60 = 3,850,886.40/x
  3. Step 3: Cross multiply
    12,948,806.40x = 19,425,801.60 × 3,850,886.40
  4. Step 4: Simplify right side
    12,948,806.40x = 74,806,555,190,538.25
  5. Step 5: Solve for x
    x = 74,806,555,190,538.25/12,948,806.40
  6. Step 6: Final answer
    x = 5,777,100.44

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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.