Home / 15,521,751.20-23,282,626.80-7,430,561.98

Finding the Fourth Proportional to 15,521,751.20, 23,282,626.80 and 7,430,561.98

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Solution

The fourth proportional to 15,521,751.20, 23,282,626.80 and 7,430,561.98 is: 11,145,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521,751.20 : 23,282,626.80 = 7,430,561.98 : x
  2. Step 2: Convert to fraction form
    15,521,751.20/23,282,626.80 = 7,430,561.98/x
  3. Step 3: Cross multiply
    15,521,751.20x = 23,282,626.80 × 7,430,561.98
  4. Step 4: Simplify right side
    15,521,751.20x = 173,003,001,494,609.09
  5. Step 5: Solve for x
    x = 173,003,001,494,609.09/15,521,751.20
  6. Step 6: Final answer
    x = 11,145,842.97

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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.