Home / 15,178,848.35-20,946,838.28-8,303,330.41

Finding the Fourth Proportional to 15,178,848.35, 20,946,838.28 and 8,303,330.41

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Solution

The fourth proportional to 15,178,848.35, 20,946,838.28 and 8,303,330.41 is: 11,458,611.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,848.35 : 20,946,838.28 = 8,303,330.41 : x
  2. Step 2: Convert to fraction form
    15,178,848.35/20,946,838.28 = 8,303,330.41/x
  3. Step 3: Cross multiply
    15,178,848.35x = 20,946,838.28 × 8,303,330.41
  4. Step 4: Simplify right side
    15,178,848.35x = 173,928,519,283,676.09
  5. Step 5: Solve for x
    x = 173,928,519,283,676.09/15,178,848.35
  6. Step 6: Final answer
    x = 11,458,611.04

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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.