Home / 9,258,770.60-12,777,205.62-5,128,865

Finding the Fourth Proportional to 9,258,770.60, 12,777,205.62 and 5,128,865

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Solution

The fourth proportional to 9,258,770.60, 12,777,205.62 and 5,128,865 is: 7,077,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,258,770.60 : 12,777,205.62 = 5,128,865 : x
  2. Step 2: Convert to fraction form
    9,258,770.60/12,777,205.62 = 5,128,865/x
  3. Step 3: Cross multiply
    9,258,770.60x = 12,777,205.62 × 5,128,865
  4. Step 4: Simplify right side
    9,258,770.60x = 65,532,562,702,221.30
  5. Step 5: Solve for x
    x = 65,532,562,702,221.30/9,258,770.60
  6. Step 6: Final answer
    x = 7,077,890.31

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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.