Home / 42,959,927.96-64,419,913.38-15,647,206.76

Finding the Fourth Proportional to 42,959,927.96, 64,419,913.38 and 15,647,206.76

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Solution

The fourth proportional to 42,959,927.96, 64,419,913.38 and 15,647,206.76 is: 23,463,533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,959,927.96 : 64,419,913.38 = 15,647,206.76 : x
  2. Step 2: Convert to fraction form
    42,959,927.96/64,419,913.38 = 15,647,206.76/x
  3. Step 3: Cross multiply
    42,959,927.96x = 64,419,913.38 × 15,647,206.76
  4. Step 4: Simplify right side
    42,959,927.96x = 1,007,991,704,118,150.50
  5. Step 5: Solve for x
    x = 1,007,991,704,118,150.50/42,959,927.96
  6. Step 6: Final answer
    x = 23,463,533.39

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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.