Home / 45,916,947.90-63,362,996.64-28,512,919.44

Finding the Fourth Proportional to 45,916,947.90, 63,362,996.64 and 28,512,919.44

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Solution

The fourth proportional to 45,916,947.90, 63,362,996.64 and 28,512,919.44 is: 39,346,343.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916,947.90 : 63,362,996.64 = 28,512,919.44 : x
  2. Step 2: Convert to fraction form
    45,916,947.90/63,362,996.64 = 28,512,919.44/x
  3. Step 3: Cross multiply
    45,916,947.90x = 63,362,996.64 × 28,512,919.44
  4. Step 4: Simplify right side
    45,916,947.90x = 1,806,664,018,673,310.75
  5. Step 5: Solve for x
    x = 1,806,664,018,673,310.75/45,916,947.90
  6. Step 6: Final answer
    x = 39,346,343.81

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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.