Home / 56,783,213.70-85,174,820.55-18,448,602.90

Finding the Fourth Proportional to 56,783,213.70, 85,174,820.55 and 18,448,602.90

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Solution

The fourth proportional to 56,783,213.70, 85,174,820.55 and 18,448,602.90 is: 27,672,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783,213.70 : 85,174,820.55 = 18,448,602.90 : x
  2. Step 2: Convert to fraction form
    56,783,213.70/85,174,820.55 = 18,448,602.90/x
  3. Step 3: Cross multiply
    56,783,213.70x = 85,174,820.55 × 18,448,602.90
  4. Step 4: Simplify right side
    56,783,213.70x = 1,571,356,441,405,709.50
  5. Step 5: Solve for x
    x = 1,571,356,441,405,709.50/56,783,213.70
  6. Step 6: Final answer
    x = 27,672,904.35

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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.