Home / 8,620,258.64-11,903,646.48-8,211,902

Finding the Fourth Proportional to 8,620,258.64, 11,903,646.48 and 8,211,902

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Solution

The fourth proportional to 8,620,258.64, 11,903,646.48 and 8,211,902 is: 11,339,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,258.64 : 11,903,646.48 = 8,211,902 : x
  2. Step 2: Convert to fraction form
    8,620,258.64/11,903,646.48 = 8,211,902/x
  3. Step 3: Cross multiply
    8,620,258.64x = 11,903,646.48 × 8,211,902
  4. Step 4: Simplify right side
    8,620,258.64x = 97,751,578,336,404.97
  5. Step 5: Solve for x
    x = 97,751,578,336,404.97/8,620,258.64
  6. Step 6: Final answer
    x = 11,339,750.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.