Home / 28,582,859.19-42,850,186.92-12,396,619.47

Finding the Fourth Proportional to 28,582,859.19, 42,850,186.92 and 12,396,619.47

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Solution

The fourth proportional to 28,582,859.19, 42,850,186.92 and 12,396,619.47 is: 18,584,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582,859.19 : 42,850,186.92 = 12,396,619.47 : x
  2. Step 2: Convert to fraction form
    28,582,859.19/42,850,186.92 = 12,396,619.47/x
  3. Step 3: Cross multiply
    28,582,859.19x = 42,850,186.92 × 12,396,619.47
  4. Step 4: Simplify right side
    28,582,859.19x = 531,197,461,465,611.38
  5. Step 5: Solve for x
    x = 531,197,461,465,611.38/28,582,859.19
  6. Step 6: Final answer
    x = 18,584,476.03

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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.