Home / 31,903,388.40-47,823,978.60-18,242,511.60

Finding the Fourth Proportional to 31,903,388.40, 47,823,978.60 and 18,242,511.60

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Solution

The fourth proportional to 31,903,388.40, 47,823,978.60 and 18,242,511.60 is: 27,345,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903,388.40 : 47,823,978.60 = 18,242,511.60 : x
  2. Step 2: Convert to fraction form
    31,903,388.40/47,823,978.60 = 18,242,511.60/x
  3. Step 3: Cross multiply
    31,903,388.40x = 47,823,978.60 × 18,242,511.60
  4. Step 4: Simplify right side
    31,903,388.40x = 872,429,484,368,651.88
  5. Step 5: Solve for x
    x = 872,429,484,368,651.88/31,903,388.40
  6. Step 6: Final answer
    x = 27,345,981.98

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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.