Home / 21,384,018.40-32,076,027.60-7,003,618.60

Finding the Fourth Proportional to 21,384,018.40, 32,076,027.60 and 7,003,618.60

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Solution

The fourth proportional to 21,384,018.40, 32,076,027.60 and 7,003,618.60 is: 10,505,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,018.40 : 32,076,027.60 = 7,003,618.60 : x
  2. Step 2: Convert to fraction form
    21,384,018.40/32,076,027.60 = 7,003,618.60/x
  3. Step 3: Cross multiply
    21,384,018.40x = 32,076,027.60 × 7,003,618.60
  4. Step 4: Simplify right side
    21,384,018.40x = 224,648,263,513,473.34
  5. Step 5: Solve for x
    x = 224,648,263,513,473.34/21,384,018.40
  6. Step 6: Final answer
    x = 10,505,427.90

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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.