Home / 12,004,415.87-18,009,488.40-3,917,406.56

Finding the Fourth Proportional to 12,004,415.87, 18,009,488.40 and 3,917,406.56

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Solution

The fourth proportional to 12,004,415.87, 18,009,488.40 and 3,917,406.56 is: 5,877,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,415.87 : 18,009,488.40 = 3,917,406.56 : x
  2. Step 2: Convert to fraction form
    12,004,415.87/18,009,488.40 = 3,917,406.56/x
  3. Step 3: Cross multiply
    12,004,415.87x = 18,009,488.40 × 3,917,406.56
  4. Step 4: Simplify right side
    12,004,415.87x = 70,550,487,910,356.45
  5. Step 5: Solve for x
    x = 70,550,487,910,356.45/12,004,415.87
  6. Step 6: Final answer
    x = 5,877,044.64

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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.