Home / 15,474,528.33-21,355,042.61-8,505,966.70

Finding the Fourth Proportional to 15,474,528.33, 21,355,042.61 and 8,505,966.70

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Solution

The fourth proportional to 15,474,528.33, 21,355,042.61 and 8,505,966.70 is: 11,738,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474,528.33 : 21,355,042.61 = 8,505,966.70 : x
  2. Step 2: Convert to fraction form
    15,474,528.33/21,355,042.61 = 8,505,966.70/x
  3. Step 3: Cross multiply
    15,474,528.33x = 21,355,042.61 × 8,505,966.70
  4. Step 4: Simplify right side
    15,474,528.33x = 181,645,281,317,741.06
  5. Step 5: Solve for x
    x = 181,645,281,317,741.06/15,474,528.33
  6. Step 6: Final answer
    x = 11,738,340.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.