Home / 7,021,340.54-9,688,610.85-3,881,180.14

Finding the Fourth Proportional to 7,021,340.54, 9,688,610.85 and 3,881,180.14

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Solution

The fourth proportional to 7,021,340.54, 9,688,610.85 and 3,881,180.14 is: 5,355,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,340.54 : 9,688,610.85 = 3,881,180.14 : x
  2. Step 2: Convert to fraction form
    7,021,340.54/9,688,610.85 = 3,881,180.14/x
  3. Step 3: Cross multiply
    7,021,340.54x = 9,688,610.85 × 3,881,180.14
  4. Step 4: Simplify right side
    7,021,340.54x = 37,603,244,015,208.52
  5. Step 5: Solve for x
    x = 37,603,244,015,208.52/7,021,340.54
  6. Step 6: Final answer
    x = 5,355,564.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.