Home / 13,475,845.80-18,600,016.50-7,678,079.64

Finding the Fourth Proportional to 13,475,845.80, 18,600,016.50 and 7,678,079.64

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Solution

The fourth proportional to 13,475,845.80, 18,600,016.50 and 7,678,079.64 is: 10,597,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475,845.80 : 18,600,016.50 = 7,678,079.64 : x
  2. Step 2: Convert to fraction form
    13,475,845.80/18,600,016.50 = 7,678,079.64/x
  3. Step 3: Cross multiply
    13,475,845.80x = 18,600,016.50 × 7,678,079.64
  4. Step 4: Simplify right side
    13,475,845.80x = 142,812,407,992,314.06
  5. Step 5: Solve for x
    x = 142,812,407,992,314.06/13,475,845.80
  6. Step 6: Final answer
    x = 10,597,658.22

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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.