Home / 9,258,203.85-12,776,609.67-5,128,619.25

Finding the Fourth Proportional to 9,258,203.85, 12,776,609.67 and 5,128,619.25

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Solution

The fourth proportional to 9,258,203.85, 12,776,609.67 and 5,128,619.25 is: 7,077,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,203.85 : 12,776,609.67 = 5,128,619.25 : x
  2. Step 2: Convert to fraction form
    9,258,203.85/12,776,609.67 = 5,128,619.25/x
  3. Step 3: Cross multiply
    9,258,203.85x = 12,776,609.67 × 5,128,619.25
  4. Step 4: Simplify right side
    9,258,203.85x = 65,526,366,303,298.15
  5. Step 5: Solve for x
    x = 65,526,366,303,298.15/9,258,203.85
  6. Step 6: Final answer
    x = 7,077,654.30

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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.