Home / 20,525,011.30-28,324,767.54-11,358,506.98

Finding the Fourth Proportional to 20,525,011.30, 28,324,767.54 and 11,358,506.98

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Solution

The fourth proportional to 20,525,011.30, 28,324,767.54 and 11,358,506.98 is: 15,674,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525,011.30 : 28,324,767.54 = 11,358,506.98 : x
  2. Step 2: Convert to fraction form
    20,525,011.30/28,324,767.54 = 11,358,506.98/x
  3. Step 3: Cross multiply
    20,525,011.30x = 28,324,767.54 × 11,358,506.98
  4. Step 4: Simplify right side
    20,525,011.30x = 321,727,069,824,076.19
  5. Step 5: Solve for x
    x = 321,727,069,824,076.19/20,525,011.30
  6. Step 6: Final answer
    x = 15,674,879.06

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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.