Home / 19,181,561.90-28,771,679.46-4,804,753.64

Finding the Fourth Proportional to 19,181,561.90, 28,771,679.46 and 4,804,753.64

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Solution

The fourth proportional to 19,181,561.90, 28,771,679.46 and 4,804,753.64 is: 7,206,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,561.90 : 28,771,679.46 = 4,804,753.64 : x
  2. Step 2: Convert to fraction form
    19,181,561.90/28,771,679.46 = 4,804,753.64/x
  3. Step 3: Cross multiply
    19,181,561.90x = 28,771,679.46 × 4,804,753.64
  4. Step 4: Simplify right side
    19,181,561.90x = 138,240,831,614,348.23
  5. Step 5: Solve for x
    x = 138,240,831,614,348.23/19,181,561.90
  6. Step 6: Final answer
    x = 7,206,964.29

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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.