Home / 21,015,903.44-29,001,579.72-11,848,552.40

Finding the Fourth Proportional to 21,015,903.44, 29,001,579.72 and 11,848,552.40

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Solution

The fourth proportional to 21,015,903.44, 29,001,579.72 and 11,848,552.40 is: 16,350,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,015,903.44 : 29,001,579.72 = 11,848,552.40 : x
  2. Step 2: Convert to fraction form
    21,015,903.44/29,001,579.72 = 11,848,552.40/x
  3. Step 3: Cross multiply
    21,015,903.44x = 29,001,579.72 × 11,848,552.40
  4. Step 4: Simplify right side
    21,015,903.44x = 343,626,736,995,197.31
  5. Step 5: Solve for x
    x = 343,626,736,995,197.31/21,015,903.44
  6. Step 6: Final answer
    x = 16,350,795.39

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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.