Home / 12,789,022.60-19,183,533.90-9,219,838.60

Finding the Fourth Proportional to 12,789,022.60, 19,183,533.90 and 9,219,838.60

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Solution

The fourth proportional to 12,789,022.60, 19,183,533.90 and 9,219,838.60 is: 13,829,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,022.60 : 19,183,533.90 = 9,219,838.60 : x
  2. Step 2: Convert to fraction form
    12,789,022.60/19,183,533.90 = 9,219,838.60/x
  3. Step 3: Cross multiply
    12,789,022.60x = 19,183,533.90 × 9,219,838.60
  4. Step 4: Simplify right side
    12,789,022.60x = 176,869,086,335,628.53
  5. Step 5: Solve for x
    x = 176,869,086,335,628.53/12,789,022.60
  6. Step 6: Final answer
    x = 13,829,757.90

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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.