Home / 9,619,629.39-13,275,303.45-5,489,578.32

Finding the Fourth Proportional to 9,619,629.39, 13,275,303.45 and 5,489,578.32

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Solution

The fourth proportional to 9,619,629.39, 13,275,303.45 and 5,489,578.32 is: 7,575,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619,629.39 : 13,275,303.45 = 5,489,578.32 : x
  2. Step 2: Convert to fraction form
    9,619,629.39/13,275,303.45 = 5,489,578.32/x
  3. Step 3: Cross multiply
    9,619,629.39x = 13,275,303.45 × 5,489,578.32
  4. Step 4: Simplify right side
    9,619,629.39x = 72,875,818,010,541.20
  5. Step 5: Solve for x
    x = 72,875,818,010,541.20/9,619,629.39
  6. Step 6: Final answer
    x = 7,575,740.71

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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.