Home / 8,763,774.40-13,145,661.60-6,638,010.40

Finding the Fourth Proportional to 8,763,774.40, 13,145,661.60 and 6,638,010.40

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Solution

The fourth proportional to 8,763,774.40, 13,145,661.60 and 6,638,010.40 is: 9,957,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763,774.40 : 13,145,661.60 = 6,638,010.40 : x
  2. Step 2: Convert to fraction form
    8,763,774.40/13,145,661.60 = 6,638,010.40/x
  3. Step 3: Cross multiply
    8,763,774.40x = 13,145,661.60 × 6,638,010.40
  4. Step 4: Simplify right side
    8,763,774.40x = 87,261,038,415,680.64
  5. Step 5: Solve for x
    x = 87,261,038,415,680.64/8,763,774.40
  6. Step 6: Final answer
    x = 9,957,015.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.