Home / 29,015,881.85-40,041,916.70-15,962,860.64

Finding the Fourth Proportional to 29,015,881.85, 40,041,916.70 and 15,962,860.64

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Solution

The fourth proportional to 29,015,881.85, 40,041,916.70 and 15,962,860.64 is: 22,028,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015,881.85 : 40,041,916.70 = 15,962,860.64 : x
  2. Step 2: Convert to fraction form
    29,015,881.85/40,041,916.70 = 15,962,860.64/x
  3. Step 3: Cross multiply
    29,015,881.85x = 40,041,916.70 × 15,962,860.64
  4. Step 4: Simplify right side
    29,015,881.85x = 639,183,535,760,564.75
  5. Step 5: Solve for x
    x = 639,183,535,760,564.75/29,015,881.85
  6. Step 6: Final answer
    x = 22,028,747.54

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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.