Home / 9,980,319.35-13,772,831.06-5,396,629.79

Finding the Fourth Proportional to 9,980,319.35, 13,772,831.06 and 5,396,629.79

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Solution

The fourth proportional to 9,980,319.35, 13,772,831.06 and 5,396,629.79 is: 7,447,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,319.35 : 13,772,831.06 = 5,396,629.79 : x
  2. Step 2: Convert to fraction form
    9,980,319.35/13,772,831.06 = 5,396,629.79/x
  3. Step 3: Cross multiply
    9,980,319.35x = 13,772,831.06 × 5,396,629.79
  4. Step 4: Simplify right side
    9,980,319.35x = 74,326,870,438,956.94
  5. Step 5: Solve for x
    x = 74,326,870,438,956.94/9,980,319.35
  6. Step 6: Final answer
    x = 7,447,343.90

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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.