Home / 15,770,865.52-21,764,077.86-9,249,198.73

Finding the Fourth Proportional to 15,770,865.52, 21,764,077.86 and 9,249,198.73

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Solution

The fourth proportional to 15,770,865.52, 21,764,077.86 and 9,249,198.73 is: 12,764,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,865.52 : 21,764,077.86 = 9,249,198.73 : x
  2. Step 2: Convert to fraction form
    15,770,865.52/21,764,077.86 = 9,249,198.73/x
  3. Step 3: Cross multiply
    15,770,865.52x = 21,764,077.86 × 9,249,198.73
  4. Step 4: Simplify right side
    15,770,865.52x = 201,300,281,302,333.12
  5. Step 5: Solve for x
    x = 201,300,281,302,333.12/15,770,865.52
  6. Step 6: Final answer
    x = 12,764,060.48

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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.