Home / 12,258,564.10-18,374,724.15-4,164,039.70

Finding the Fourth Proportional to 12,258,564.10, 18,374,724.15 and 4,164,039.70

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Solution

The fourth proportional to 12,258,564.10, 18,374,724.15 and 4,164,039.70 is: 6,241,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,564.10 : 18,374,724.15 = 4,164,039.70 : x
  2. Step 2: Convert to fraction form
    12,258,564.10/18,374,724.15 = 4,164,039.70/x
  3. Step 3: Cross multiply
    12,258,564.10x = 18,374,724.15 × 4,164,039.70
  4. Step 4: Simplify right side
    12,258,564.10x = 76,513,080,837,148.75
  5. Step 5: Solve for x
    x = 76,513,080,837,148.75/12,258,564.10
  6. Step 6: Final answer
    x = 6,241,602.21

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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.