Home / 28,082,646.44-42,048,276.20-18,343,141.28

Finding the Fourth Proportional to 28,082,646.44, 42,048,276.20 and 18,343,141.28

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Solution

The fourth proportional to 28,082,646.44, 42,048,276.20 and 18,343,141.28 is: 27,465,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,646.44 : 42,048,276.20 = 18,343,141.28 : x
  2. Step 2: Convert to fraction form
    28,082,646.44/42,048,276.20 = 18,343,141.28/x
  3. Step 3: Cross multiply
    28,082,646.44x = 42,048,276.20 × 18,343,141.28
  4. Step 4: Simplify right side
    28,082,646.44x = 771,297,471,181,274
  5. Step 5: Solve for x
    x = 771,297,471,181,274/28,082,646.44
  6. Step 6: Final answer
    x = 27,465,270.16

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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.