Home / 13,200,351.30-19,809,384.30-7,803,272.70

Finding the Fourth Proportional to 13,200,351.30, 19,809,384.30 and 7,803,272.70

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Solution

The fourth proportional to 13,200,351.30, 19,809,384.30 and 7,803,272.70 is: 11,710,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,351.30 : 19,809,384.30 = 7,803,272.70 : x
  2. Step 2: Convert to fraction form
    13,200,351.30/19,809,384.30 = 7,803,272.70/x
  3. Step 3: Cross multiply
    13,200,351.30x = 19,809,384.30 × 7,803,272.70
  4. Step 4: Simplify right side
    13,200,351.30x = 154,578,027,711,998.62
  5. Step 5: Solve for x
    x = 154,578,027,711,998.62/13,200,351.30
  6. Step 6: Final answer
    x = 11,710,145.00

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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.