Home / 20,160,666.45-30,240,999.68-7,376,922.45

Finding the Fourth Proportional to 20,160,666.45, 30,240,999.68 and 7,376,922.45

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Solution

The fourth proportional to 20,160,666.45, 30,240,999.68 and 7,376,922.45 is: 11,065,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,666.45 : 30,240,999.68 = 7,376,922.45 : x
  2. Step 2: Convert to fraction form
    20,160,666.45/30,240,999.68 = 7,376,922.45/x
  3. Step 3: Cross multiply
    20,160,666.45x = 30,240,999.68 × 7,376,922.45
  4. Step 4: Simplify right side
    20,160,666.45x = 223,085,509,412,950.22
  5. Step 5: Solve for x
    x = 223,085,509,412,950.22/20,160,666.45
  6. Step 6: Final answer
    x = 11,065,383.68

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Similar ratio
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1.5x scale

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.