Home / 7,026,004.95-9,695,902.55-3,928,640.28

Finding the Fourth Proportional to 7,026,004.95, 9,695,902.55 and 3,928,640.28

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Solution

The fourth proportional to 7,026,004.95, 9,695,902.55 and 3,928,640.28 is: 5,421,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026,004.95 : 9,695,902.55 = 3,928,640.28 : x
  2. Step 2: Convert to fraction form
    7,026,004.95/9,695,902.55 = 3,928,640.28/x
  3. Step 3: Cross multiply
    7,026,004.95x = 9,695,902.55 × 3,928,640.28
  4. Step 4: Simplify right side
    7,026,004.95x = 38,091,713,289,241.51
  5. Step 5: Solve for x
    x = 38,091,713,289,241.51/7,026,004.95
  6. Step 6: Final answer
    x = 5,421,532.37

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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.