Home / 7,724,928.80-11,588,775.60-3,237,658.40

Finding the Fourth Proportional to 7,724,928.80, 11,588,775.60 and 3,237,658.40

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Solution

The fourth proportional to 7,724,928.80, 11,588,775.60 and 3,237,658.40 is: 4,857,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,928.80 : 11,588,775.60 = 3,237,658.40 : x
  2. Step 2: Convert to fraction form
    7,724,928.80/11,588,775.60 = 3,237,658.40/x
  3. Step 3: Cross multiply
    7,724,928.80x = 11,588,775.60 × 3,237,658.40
  4. Step 4: Simplify right side
    7,724,928.80x = 37,520,496,667,055.04
  5. Step 5: Solve for x
    x = 37,520,496,667,055.04/7,724,928.80
  6. Step 6: Final answer
    x = 4,857,066.99

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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.