Home / 7,159,034.01-9,879,468.54-3,939,770.01

Finding the Fourth Proportional to 7,159,034.01, 9,879,468.54 and 3,939,770.01

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Solution

The fourth proportional to 7,159,034.01, 9,879,468.54 and 3,939,770.01 is: 5,436,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,034.01 : 9,879,468.54 = 3,939,770.01 : x
  2. Step 2: Convert to fraction form
    7,159,034.01/9,879,468.54 = 3,939,770.01/x
  3. Step 3: Cross multiply
    7,159,034.01x = 9,879,468.54 × 3,939,770.01
  4. Step 4: Simplify right side
    7,159,034.01x = 38,922,833,839,007.10
  5. Step 5: Solve for x
    x = 38,922,833,839,007.10/7,159,034.01
  6. Step 6: Final answer
    x = 5,436,883.50

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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.