Home / 13,738,986.60-20,707,234.18-11,842,783.89

Finding the Fourth Proportional to 13,738,986.60, 20,707,234.18 and 11,842,783.89

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Solution

The fourth proportional to 13,738,986.60, 20,707,234.18 and 11,842,783.89 is: 17,849,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738,986.60 : 20,707,234.18 = 11,842,783.89 : x
  2. Step 2: Convert to fraction form
    13,738,986.60/20,707,234.18 = 11,842,783.89/x
  3. Step 3: Cross multiply
    13,738,986.60x = 20,707,234.18 × 11,842,783.89
  4. Step 4: Simplify right side
    13,738,986.60x = 245,231,299,249,825.19
  5. Step 5: Solve for x
    x = 245,231,299,249,825.19/13,738,986.60
  6. Step 6: Final answer
    x = 17,849,300.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.