Home / 12,983,343.70-19,475,015.55-5,409,325.30

Finding the Fourth Proportional to 12,983,343.70, 19,475,015.55 and 5,409,325.30

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Solution

The fourth proportional to 12,983,343.70, 19,475,015.55 and 5,409,325.30 is: 8,113,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,343.70 : 19,475,015.55 = 5,409,325.30 : x
  2. Step 2: Convert to fraction form
    12,983,343.70/19,475,015.55 = 5,409,325.30/x
  3. Step 3: Cross multiply
    12,983,343.70x = 19,475,015.55 × 5,409,325.30
  4. Step 4: Simplify right side
    12,983,343.70x = 105,346,694,332,508.42
  5. Step 5: Solve for x
    x = 105,346,694,332,508.42/12,983,343.70
  6. Step 6: Final answer
    x = 8,113,987.95

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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.