Home / 15,406,658.37-21,260,928.15-8,530,992.81

Finding the Fourth Proportional to 15,406,658.37, 21,260,928.15 and 8,530,992.81

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Solution

The fourth proportional to 15,406,658.37, 21,260,928.15 and 8,530,992.81 is: 11,772,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,658.37 : 21,260,928.15 = 8,530,992.81 : x
  2. Step 2: Convert to fraction form
    15,406,658.37/21,260,928.15 = 8,530,992.81/x
  3. Step 3: Cross multiply
    15,406,658.37x = 21,260,928.15 × 8,530,992.81
  4. Step 4: Simplify right side
    15,406,658.37x = 181,376,825,181,576.59
  5. Step 5: Solve for x
    x = 181,376,825,181,576.59/15,406,658.37
  6. Step 6: Final answer
    x = 11,772,625.89

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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.