Home / 15,322,388.72-21,145,130.88-8,353,070.96

Finding the Fourth Proportional to 15,322,388.72, 21,145,130.88 and 8,353,070.96

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Solution

The fourth proportional to 15,322,388.72, 21,145,130.88 and 8,353,070.96 is: 11,527,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,388.72 : 21,145,130.88 = 8,353,070.96 : x
  2. Step 2: Convert to fraction form
    15,322,388.72/21,145,130.88 = 8,353,070.96/x
  3. Step 3: Cross multiply
    15,322,388.72x = 21,145,130.88 × 8,353,070.96
  4. Step 4: Simplify right side
    15,322,388.72x = 176,626,778,699,127.25
  5. Step 5: Solve for x
    x = 176,626,778,699,127.25/15,322,388.72
  6. Step 6: Final answer
    x = 11,527,365.73

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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.