Home / 9,258,202.36-12,776,607.60-5,128,617.76

Finding the Fourth Proportional to 9,258,202.36, 12,776,607.60 and 5,128,617.76

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Solution

The fourth proportional to 9,258,202.36, 12,776,607.60 and 5,128,617.76 is: 7,077,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,202.36 : 12,776,607.60 = 5,128,617.76 : x
  2. Step 2: Convert to fraction form
    9,258,202.36/12,776,607.60 = 5,128,617.76/x
  3. Step 3: Cross multiply
    9,258,202.36x = 12,776,607.60 × 5,128,617.76
  4. Step 4: Simplify right side
    9,258,202.36x = 65,526,336,580,768.12
  5. Step 5: Solve for x
    x = 65,526,336,580,768.12/9,258,202.36
  6. Step 6: Final answer
    x = 7,077,652.23

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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.