Home / 28,815,178.69-43,225,795.14-9,385,918.79

Finding the Fourth Proportional to 28,815,178.69, 43,225,795.14 and 9,385,918.79

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Solution

The fourth proportional to 28,815,178.69, 43,225,795.14 and 9,385,918.79 is: 14,079,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815,178.69 : 43,225,795.14 = 9,385,918.79 : x
  2. Step 2: Convert to fraction form
    28,815,178.69/43,225,795.14 = 9,385,918.79/x
  3. Step 3: Cross multiply
    28,815,178.69x = 43,225,795.14 × 9,385,918.79
  4. Step 4: Simplify right side
    28,815,178.69x = 405,713,802,565,890.50
  5. Step 5: Solve for x
    x = 405,713,802,565,890.50/28,815,178.69
  6. Step 6: Final answer
    x = 14,079,864.19

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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.