Home / 20,730,606.56-28,604,694-12,026,783.96

Finding the Fourth Proportional to 20,730,606.56, 28,604,694 and 12,026,783.96

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Solution

The fourth proportional to 20,730,606.56, 28,604,694 and 12,026,783.96 is: 16,594,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730,606.56 : 28,604,694 = 12,026,783.96 : x
  2. Step 2: Convert to fraction form
    20,730,606.56/28,604,694 = 12,026,783.96/x
  3. Step 3: Cross multiply
    20,730,606.56x = 28,604,694 × 12,026,783.96
  4. Step 4: Simplify right side
    20,730,606.56x = 344,022,474,979,908.25
  5. Step 5: Solve for x
    x = 344,022,474,979,908.25/20,730,606.56
  6. Step 6: Final answer
    x = 16,594,906.38

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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.