Home / 12,900,259.70-19,350,429.32-3,184,873.82

Finding the Fourth Proportional to 12,900,259.70, 19,350,429.32 and 3,184,873.82

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Solution

The fourth proportional to 12,900,259.70, 19,350,429.32 and 3,184,873.82 is: 4,777,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900,259.70 : 19,350,429.32 = 3,184,873.82 : x
  2. Step 2: Convert to fraction form
    12,900,259.70/19,350,429.32 = 3,184,873.82/x
  3. Step 3: Cross multiply
    12,900,259.70x = 19,350,429.32 × 3,184,873.82
  4. Step 4: Simplify right side
    12,900,259.70x = 61,628,675,747,028.40
  5. Step 5: Solve for x
    x = 61,628,675,747,028.40/12,900,259.70
  6. Step 6: Final answer
    x = 4,777,320.55

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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.