Home / 18,850,521.92-28,277,405.76-5,203,670.72

Finding the Fourth Proportional to 18,850,521.92, 28,277,405.76 and 5,203,670.72

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Solution

The fourth proportional to 18,850,521.92, 28,277,405.76 and 5,203,670.72 is: 7,805,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,521.92 : 28,277,405.76 = 5,203,670.72 : x
  2. Step 2: Convert to fraction form
    18,850,521.92/28,277,405.76 = 5,203,670.72/x
  3. Step 3: Cross multiply
    18,850,521.92x = 28,277,405.76 × 5,203,670.72
  4. Step 4: Simplify right side
    18,850,521.92x = 147,146,308,390,871.34
  5. Step 5: Solve for x
    x = 147,146,308,390,871.34/18,850,521.92
  6. Step 6: Final answer
    x = 7,805,954.07

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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.