Home / 15,178,848.85-20,946,838.97-8,303,330.91

Finding the Fourth Proportional to 15,178,848.85, 20,946,838.97 and 8,303,330.91

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Solution

The fourth proportional to 15,178,848.85, 20,946,838.97 and 8,303,330.91 is: 11,458,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178,848.85 : 20,946,838.97 = 8,303,330.91 : x
  2. Step 2: Convert to fraction form
    15,178,848.85/20,946,838.97 = 8,303,330.91/x
  3. Step 3: Cross multiply
    15,178,848.85x = 20,946,838.97 × 8,303,330.91
  4. Step 4: Simplify right side
    15,178,848.85x = 173,928,535,444,876.91
  5. Step 5: Solve for x
    x = 173,928,535,444,876.91/15,178,848.85
  6. Step 6: Final answer
    x = 11,458,611.73

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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.