Home / 15,768,756.16-21,760,916.34-8,525,412.16

Finding the Fourth Proportional to 15,768,756.16, 21,760,916.34 and 8,525,412.16

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Solution

The fourth proportional to 15,768,756.16, 21,760,916.34 and 8,525,412.16 is: 11,765,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,756.16 : 21,760,916.34 = 8,525,412.16 : x
  2. Step 2: Convert to fraction form
    15,768,756.16/21,760,916.34 = 8,525,412.16/x
  3. Step 3: Cross multiply
    15,768,756.16x = 21,760,916.34 × 8,525,412.16
  4. Step 4: Simplify right side
    15,768,756.16x = 185,520,780,777,778.69
  5. Step 5: Solve for x
    x = 185,520,780,777,778.69/15,768,756.16
  6. Step 6: Final answer
    x = 11,765,086.54

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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.