Home / 28,898,305.93-39,892,378.06-20,230,503.22

Finding the Fourth Proportional to 28,898,305.93, 39,892,378.06 and 20,230,503.22

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Solution

The fourth proportional to 28,898,305.93, 39,892,378.06 and 20,230,503.22 is: 27,926,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898,305.93 : 39,892,378.06 = 20,230,503.22 : x
  2. Step 2: Convert to fraction form
    28,898,305.93/39,892,378.06 = 20,230,503.22/x
  3. Step 3: Cross multiply
    28,898,305.93x = 39,892,378.06 × 20,230,503.22
  4. Step 4: Simplify right side
    28,898,305.93x = 807,042,882,796,287.38
  5. Step 5: Solve for x
    x = 807,042,882,796,287.38/28,898,305.93
  6. Step 6: Final answer
    x = 27,926,996.30

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1.5x scale

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.