Home / 7,778,878.54-11,668,223.95-2,021,102.62

Finding the Fourth Proportional to 7,778,878.54, 11,668,223.95 and 2,021,102.62

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Solution

The fourth proportional to 7,778,878.54, 11,668,223.95 and 2,021,102.62 is: 3,031,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,878.54 : 11,668,223.95 = 2,021,102.62 : x
  2. Step 2: Convert to fraction form
    7,778,878.54/11,668,223.95 = 2,021,102.62/x
  3. Step 3: Cross multiply
    7,778,878.54x = 11,668,223.95 × 2,021,102.62
  4. Step 4: Simplify right side
    7,778,878.54x = 23,582,677,961,868.43
  5. Step 5: Solve for x
    x = 23,582,677,961,868.43/7,778,878.54
  6. Step 6: Final answer
    x = 3,031,629.54

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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.