Home / 13,233,037.80-19,850,139.90-7,475,687.40

Finding the Fourth Proportional to 13,233,037.80, 19,850,139.90 and 7,475,687.40

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Solution

The fourth proportional to 13,233,037.80, 19,850,139.90 and 7,475,687.40 is: 11,213,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,037.80 : 19,850,139.90 = 7,475,687.40 : x
  2. Step 2: Convert to fraction form
    13,233,037.80/19,850,139.90 = 7,475,687.40/x
  3. Step 3: Cross multiply
    13,233,037.80x = 19,850,139.90 × 7,475,687.40
  4. Step 4: Simplify right side
    13,233,037.80x = 148,393,440,738,667.25
  5. Step 5: Solve for x
    x = 148,393,440,738,667.25/13,233,037.80
  6. Step 6: Final answer
    x = 11,213,860.56

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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.