Home / 8,403,257.40-12,604,886.10-7,505,712.60

Finding the Fourth Proportional to 8,403,257.40, 12,604,886.10 and 7,505,712.60

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Solution

The fourth proportional to 8,403,257.40, 12,604,886.10 and 7,505,712.60 is: 11,258,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403,257.40 : 12,604,886.10 = 7,505,712.60 : x
  2. Step 2: Convert to fraction form
    8,403,257.40/12,604,886.10 = 7,505,712.60/x
  3. Step 3: Cross multiply
    8,403,257.40x = 12,604,886.10 × 7,505,712.60
  4. Step 4: Simplify right side
    8,403,257.40x = 94,608,652,422,334.86
  5. Step 5: Solve for x
    x = 94,608,652,422,334.86/8,403,257.40
  6. Step 6: Final answer
    x = 11,258,568.90

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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.