Home / 12,687,801.05-17,508,696.37-6,886,459.15

Finding the Fourth Proportional to 12,687,801.05, 17,508,696.37 and 6,886,459.15

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Solution

The fourth proportional to 12,687,801.05, 17,508,696.37 and 6,886,459.15 is: 9,503,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,801.05 : 17,508,696.37 = 6,886,459.15 : x
  2. Step 2: Convert to fraction form
    12,687,801.05/17,508,696.37 = 6,886,459.15/x
  3. Step 3: Cross multiply
    12,687,801.05x = 17,508,696.37 × 6,886,459.15
  4. Step 4: Simplify right side
    12,687,801.05x = 120,572,922,260,770.39
  5. Step 5: Solve for x
    x = 120,572,922,260,770.39/12,687,801.05
  6. Step 6: Final answer
    x = 9,503,059.02

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1.5x scale

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.