Home / 13,259,281.40-19,851,968.82-6,768,393.92

Finding the Fourth Proportional to 13,259,281.40, 19,851,968.82 and 6,768,393.92

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Solution

The fourth proportional to 13,259,281.40, 19,851,968.82 and 6,768,393.92 is: 10,133,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259,281.40 : 19,851,968.82 = 6,768,393.92 : x
  2. Step 2: Convert to fraction form
    13,259,281.40/19,851,968.82 = 6,768,393.92/x
  3. Step 3: Cross multiply
    13,259,281.40x = 19,851,968.82 × 6,768,393.92
  4. Step 4: Simplify right side
    13,259,281.40x = 134,365,945,061,317.58
  5. Step 5: Solve for x
    x = 134,365,945,061,317.58/13,259,281.40
  6. Step 6: Final answer
    x = 10,133,727.54

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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.