Home / 38,080,311.40-52,550,891.94-20,676,690.28

Finding the Fourth Proportional to 38,080,311.40, 52,550,891.94 and 20,676,690.28

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Solution

The fourth proportional to 38,080,311.40, 52,550,891.94 and 20,676,690.28 is: 28,533,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080,311.40 : 52,550,891.94 = 20,676,690.28 : x
  2. Step 2: Convert to fraction form
    38,080,311.40/52,550,891.94 = 20,676,690.28/x
  3. Step 3: Cross multiply
    38,080,311.40x = 52,550,891.94 × 20,676,690.28
  4. Step 4: Simplify right side
    38,080,311.40x = 1,086,578,516,581,128.38
  5. Step 5: Solve for x
    x = 1,086,578,516,581,128.38/38,080,311.40
  6. Step 6: Final answer
    x = 28,533,866.36

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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.