Home / 21,352,049.69-32,021,450.42-7,703,421.84

Finding the Fourth Proportional to 21,352,049.69, 32,021,450.42 and 7,703,421.84

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Solution

The fourth proportional to 21,352,049.69, 32,021,450.42 and 7,703,421.84 is: 11,552,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352,049.69 : 32,021,450.42 = 7,703,421.84 : x
  2. Step 2: Convert to fraction form
    21,352,049.69/32,021,450.42 = 7,703,421.84/x
  3. Step 3: Cross multiply
    21,352,049.69x = 32,021,450.42 × 7,703,421.84
  4. Step 4: Simplify right side
    21,352,049.69x = 246,674,740,475,388.06
  5. Step 5: Solve for x
    x = 246,674,740,475,388.06/21,352,049.69
  6. Step 6: Final answer
    x = 11,552,742.90

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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.