Home / 20,571,056.82-28,386,973.44-11,748,773.67

Finding the Fourth Proportional to 20,571,056.82, 28,386,973.44 and 11,748,773.67

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Solution

The fourth proportional to 20,571,056.82, 28,386,973.44 and 11,748,773.67 is: 16,212,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,056.82 : 28,386,973.44 = 11,748,773.67 : x
  2. Step 2: Convert to fraction form
    20,571,056.82/28,386,973.44 = 11,748,773.67/x
  3. Step 3: Cross multiply
    20,571,056.82x = 28,386,973.44 × 11,748,773.67
  4. Step 4: Simplify right side
    20,571,056.82x = 333,512,126,122,861.31
  5. Step 5: Solve for x
    x = 333,512,126,122,861.31/20,571,056.82
  6. Step 6: Final answer
    x = 16,212,688.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.