Home / 13,204,806.60-19,807,209.90-9,378,431.40

Finding the Fourth Proportional to 13,204,806.60, 19,807,209.90 and 9,378,431.40

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Solution

The fourth proportional to 13,204,806.60, 19,807,209.90 and 9,378,431.40 is: 14,067,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,806.60 : 19,807,209.90 = 9,378,431.40 : x
  2. Step 2: Convert to fraction form
    13,204,806.60/19,807,209.90 = 9,378,431.40/x
  3. Step 3: Cross multiply
    13,204,806.60x = 19,807,209.90 × 9,378,431.40
  4. Step 4: Simplify right side
    13,204,806.60x = 185,760,559,272,550.84
  5. Step 5: Solve for x
    x = 185,760,559,272,550.84/13,204,806.60
  6. Step 6: Final answer
    x = 14,067,647.10

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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.