Home / 18,678,812.40-28,023,467.40-9,094,503.60

Finding the Fourth Proportional to 18,678,812.40, 28,023,467.40 and 9,094,503.60

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Solution

The fourth proportional to 18,678,812.40, 28,023,467.40 and 9,094,503.60 is: 13,644,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678,812.40 : 28,023,467.40 = 9,094,503.60 : x
  2. Step 2: Convert to fraction form
    18,678,812.40/28,023,467.40 = 9,094,503.60/x
  3. Step 3: Cross multiply
    18,678,812.40x = 28,023,467.40 × 9,094,503.60
  4. Step 4: Simplify right side
    18,678,812.40x = 254,859,525,153,782.62
  5. Step 5: Solve for x
    x = 254,859,525,153,782.62/18,678,812.40
  6. Step 6: Final answer
    x = 13,644,310.98

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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.