Home / 20,336,152.08-30,474,326.76-12,018,394.60

Finding the Fourth Proportional to 20,336,152.08, 30,474,326.76 and 12,018,394.60

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Solution

The fourth proportional to 20,336,152.08, 30,474,326.76 and 12,018,394.60 is: 18,009,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336,152.08 : 30,474,326.76 = 12,018,394.60 : x
  2. Step 2: Convert to fraction form
    20,336,152.08/30,474,326.76 = 12,018,394.60/x
  3. Step 3: Cross multiply
    20,336,152.08x = 30,474,326.76 × 12,018,394.60
  4. Step 4: Simplify right side
    20,336,152.08x = 366,252,484,171,019.50
  5. Step 5: Solve for x
    x = 366,252,484,171,019.50/20,336,152.08
  6. Step 6: Final answer
    x = 18,009,920.60

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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.