Home / 12,481,999.80-18,722,999.70-3,506,551.80

Finding the Fourth Proportional to 12,481,999.80, 18,722,999.70 and 3,506,551.80

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Solution

The fourth proportional to 12,481,999.80, 18,722,999.70 and 3,506,551.80 is: 5,259,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,999.80 : 18,722,999.70 = 3,506,551.80 : x
  2. Step 2: Convert to fraction form
    12,481,999.80/18,722,999.70 = 3,506,551.80/x
  3. Step 3: Cross multiply
    12,481,999.80x = 18,722,999.70 × 3,506,551.80
  4. Step 4: Simplify right side
    12,481,999.80x = 65,653,168,299,434.45
  5. Step 5: Solve for x
    x = 65,653,168,299,434.45/12,481,999.80
  6. Step 6: Final answer
    x = 5,259,827.70

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1.5x scale

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.