Home / 28,309,845.33-42,464,341.26-12,736,676.05

Finding the Fourth Proportional to 28,309,845.33, 42,464,341.26 and 12,736,676.05

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Solution

The fourth proportional to 28,309,845.33, 42,464,341.26 and 12,736,676.05 is: 19,104,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309,845.33 : 42,464,341.26 = 12,736,676.05 : x
  2. Step 2: Convert to fraction form
    28,309,845.33/42,464,341.26 = 12,736,676.05/x
  3. Step 3: Cross multiply
    28,309,845.33x = 42,464,341.26 × 12,736,676.05
  4. Step 4: Simplify right side
    28,309,845.33x = 540,854,558,199,107.94
  5. Step 5: Solve for x
    x = 540,854,558,199,107.94/28,309,845.33
  6. Step 6: Final answer
    x = 19,104,822.08

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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.