Home / 12,258,568.10-18,374,730.15-4,164,043.70

Finding the Fourth Proportional to 12,258,568.10, 18,374,730.15 and 4,164,043.70

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Solution

The fourth proportional to 12,258,568.10, 18,374,730.15 and 4,164,043.70 is: 6,241,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,568.10 : 18,374,730.15 = 4,164,043.70 : x
  2. Step 2: Convert to fraction form
    12,258,568.10/18,374,730.15 = 4,164,043.70/x
  3. Step 3: Cross multiply
    12,258,568.10x = 18,374,730.15 × 4,164,043.70
  4. Step 4: Simplify right side
    12,258,568.10x = 76,513,179,320,307.55
  5. Step 5: Solve for x
    x = 76,513,179,320,307.55/12,258,568.10
  6. Step 6: Final answer
    x = 6,241,608.21

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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.