Home / 13,506,847.70-18,641,308.56-8,282,979.50

Finding the Fourth Proportional to 13,506,847.70, 18,641,308.56 and 8,282,979.50

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Solution

The fourth proportional to 13,506,847.70, 18,641,308.56 and 8,282,979.50 is: 11,431,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,847.70 : 18,641,308.56 = 8,282,979.50 : x
  2. Step 2: Convert to fraction form
    13,506,847.70/18,641,308.56 = 8,282,979.50/x
  3. Step 3: Cross multiply
    13,506,847.70x = 18,641,308.56 × 8,282,979.50
  4. Step 4: Simplify right side
    13,506,847.70x = 154,405,576,655,654.50
  5. Step 5: Solve for x
    x = 154,405,576,655,654.50/13,506,847.70
  6. Step 6: Final answer
    x = 11,431,651.57

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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.