Home / 13,210,441.80-19,797,000.30-9,771,894.60

Finding the Fourth Proportional to 13,210,441.80, 19,797,000.30 and 9,771,894.60

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Solution

The fourth proportional to 13,210,441.80, 19,797,000.30 and 9,771,894.60 is: 14,644,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,441.80 : 19,797,000.30 = 9,771,894.60 : x
  2. Step 2: Convert to fraction form
    13,210,441.80/19,797,000.30 = 9,771,894.60/x
  3. Step 3: Cross multiply
    13,210,441.80x = 19,797,000.30 × 9,771,894.60
  4. Step 4: Simplify right side
    13,210,441.80x = 193,454,200,327,768.38
  5. Step 5: Solve for x
    x = 193,454,200,327,768.38/13,210,441.80
  6. Step 6: Final answer
    x = 14,644,037.14

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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.