Home / 7,033,888.13-9,706,765.62-3,978,036.77

Finding the Fourth Proportional to 7,033,888.13, 9,706,765.62 and 3,978,036.77

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Solution

The fourth proportional to 7,033,888.13, 9,706,765.62 and 3,978,036.77 is: 5,489,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,033,888.13 : 9,706,765.62 = 3,978,036.77 : x
  2. Step 2: Convert to fraction form
    7,033,888.13/9,706,765.62 = 3,978,036.77/x
  3. Step 3: Cross multiply
    7,033,888.13x = 9,706,765.62 × 3,978,036.77
  4. Step 4: Simplify right side
    7,033,888.13x = 38,613,870,505,598.02
  5. Step 5: Solve for x
    x = 38,613,870,505,598.02/7,033,888.13
  6. Step 6: Final answer
    x = 5,489,690.74

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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.