Home / 20,997,946.80-31,496,920.20-7,533,025.20

Finding the Fourth Proportional to 20,997,946.80, 31,496,920.20 and 7,533,025.20

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Solution

The fourth proportional to 20,997,946.80, 31,496,920.20 and 7,533,025.20 is: 11,299,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,946.80 : 31,496,920.20 = 7,533,025.20 : x
  2. Step 2: Convert to fraction form
    20,997,946.80/31,496,920.20 = 7,533,025.20/x
  3. Step 3: Cross multiply
    20,997,946.80x = 31,496,920.20 × 7,533,025.20
  4. Step 4: Simplify right side
    20,997,946.80x = 237,267,093,588,989.03
  5. Step 5: Solve for x
    x = 237,267,093,588,989.03/20,997,946.80
  6. Step 6: Final answer
    x = 11,299,537.80

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1.5x scale

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.