Home / 15,583,125.36-21,504,300.42-8,707,663.92

Finding the Fourth Proportional to 15,583,125.36, 21,504,300.42 and 8,707,663.92

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Solution

The fourth proportional to 15,583,125.36, 21,504,300.42 and 8,707,663.92 is: 12,016,345.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583,125.36 : 21,504,300.42 = 8,707,663.92 : x
  2. Step 2: Convert to fraction form
    15,583,125.36/21,504,300.42 = 8,707,663.92/x
  3. Step 3: Cross multiply
    15,583,125.36x = 21,504,300.42 × 8,707,663.92
  4. Step 4: Simplify right side
    15,583,125.36x = 187,252,220,892,074.88
  5. Step 5: Solve for x
    x = 187,252,220,892,074.88/15,583,125.36
  6. Step 6: Final answer
    x = 12,016,345.67

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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.