Home / 12,258,561.60-18,374,720.40-4,164,037.20

Finding the Fourth Proportional to 12,258,561.60, 18,374,720.40 and 4,164,037.20

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Solution

The fourth proportional to 12,258,561.60, 18,374,720.40 and 4,164,037.20 is: 6,241,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,561.60 : 18,374,720.40 = 4,164,037.20 : x
  2. Step 2: Convert to fraction form
    12,258,561.60/18,374,720.40 = 4,164,037.20/x
  3. Step 3: Cross multiply
    12,258,561.60x = 18,374,720.40 × 4,164,037.20
  4. Step 4: Simplify right side
    12,258,561.60x = 76,513,019,285,198.88
  5. Step 5: Solve for x
    x = 76,513,019,285,198.88/12,258,561.60
  6. Step 6: Final answer
    x = 6,241,598.47

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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.