Home / 18,667,264.80-27,984,308.40-12,280,576.80

Finding the Fourth Proportional to 18,667,264.80, 27,984,308.40 and 12,280,576.80

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Solution

The fourth proportional to 18,667,264.80, 27,984,308.40 and 12,280,576.80 is: 18,409,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,264.80 : 27,984,308.40 = 12,280,576.80 : x
  2. Step 2: Convert to fraction form
    18,667,264.80/27,984,308.40 = 12,280,576.80/x
  3. Step 3: Cross multiply
    18,667,264.80x = 27,984,308.40 × 12,280,576.80
  4. Step 4: Simplify right side
    18,667,264.80x = 343,663,448,501,085.12
  5. Step 5: Solve for x
    x = 343,663,448,501,085.12/18,667,264.80
  6. Step 6: Final answer
    x = 18,409,951.98

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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.