Home / 7,809,483.65-11,721,781.89-3,768,815.93

Finding the Fourth Proportional to 7,809,483.65, 11,721,781.89 and 3,768,815.93

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Solution

The fourth proportional to 7,809,483.65, 11,721,781.89 and 3,768,815.93 is: 5,656,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809,483.65 : 11,721,781.89 = 3,768,815.93 : x
  2. Step 2: Convert to fraction form
    7,809,483.65/11,721,781.89 = 3,768,815.93/x
  3. Step 3: Cross multiply
    7,809,483.65x = 11,721,781.89 × 3,768,815.93
  4. Step 4: Simplify right side
    7,809,483.65x = 44,177,238,256,408.60
  5. Step 5: Solve for x
    x = 44,177,238,256,408.60/7,809,483.65
  6. Step 6: Final answer
    x = 5,656,870.58

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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.