Home / 9,866,181.42-13,615,384.97-5,515,451.10

Finding the Fourth Proportional to 9,866,181.42, 13,615,384.97 and 5,515,451.10

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Solution

The fourth proportional to 9,866,181.42, 13,615,384.97 and 5,515,451.10 is: 7,611,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866,181.42 : 13,615,384.97 = 5,515,451.10 : x
  2. Step 2: Convert to fraction form
    9,866,181.42/13,615,384.97 = 5,515,451.10/x
  3. Step 3: Cross multiply
    9,866,181.42x = 13,615,384.97 × 5,515,451.10
  4. Step 4: Simplify right side
    9,866,181.42x = 75,094,990,009,709.97
  5. Step 5: Solve for x
    x = 75,094,990,009,709.97/9,866,181.42
  6. Step 6: Final answer
    x = 7,611,353.05

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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.