Home / 10,971,946.40-16,467,250.80-4,915,997.60

Finding the Fourth Proportional to 10,971,946.40, 16,467,250.80 and 4,915,997.60

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Solution

The fourth proportional to 10,971,946.40, 16,467,250.80 and 4,915,997.60 is: 7,378,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,946.40 : 16,467,250.80 = 4,915,997.60 : x
  2. Step 2: Convert to fraction form
    10,971,946.40/16,467,250.80 = 4,915,997.60/x
  3. Step 3: Cross multiply
    10,971,946.40x = 16,467,250.80 × 4,915,997.60
  4. Step 4: Simplify right side
    10,971,946.40x = 80,952,965,411,398.08
  5. Step 5: Solve for x
    x = 80,952,965,411,398.08/10,971,946.40
  6. Step 6: Final answer
    x = 7,378,177.26

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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.