Home / 18,982,384.80-28,470,466.80-5,336,455.20

Finding the Fourth Proportional to 18,982,384.80, 28,470,466.80 and 5,336,455.20

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Solution

The fourth proportional to 18,982,384.80, 28,470,466.80 and 5,336,455.20 is: 8,003,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,384.80 : 28,470,466.80 = 5,336,455.20 : x
  2. Step 2: Convert to fraction form
    18,982,384.80/28,470,466.80 = 5,336,455.20/x
  3. Step 3: Cross multiply
    18,982,384.80x = 28,470,466.80 × 5,336,455.20
  4. Step 4: Simplify right side
    18,982,384.80x = 151,931,370,601,287.38
  5. Step 5: Solve for x
    x = 151,931,370,601,287.38/18,982,384.80
  6. Step 6: Final answer
    x = 8,003,808.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.