Home / 7,136,720.83-9,848,682.02-3,873,536.25

Finding the Fourth Proportional to 7,136,720.83, 9,848,682.02 and 3,873,536.25

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Solution

The fourth proportional to 7,136,720.83, 9,848,682.02 and 3,873,536.25 is: 5,345,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,720.83 : 9,848,682.02 = 3,873,536.25 : x
  2. Step 2: Convert to fraction form
    7,136,720.83/9,848,682.02 = 3,873,536.25/x
  3. Step 3: Cross multiply
    7,136,720.83x = 9,848,682.02 × 3,873,536.25
  4. Step 4: Simplify right side
    7,136,720.83x = 38,149,226,769,949.81
  5. Step 5: Solve for x
    x = 38,149,226,769,949.81/7,136,720.83
  6. Step 6: Final answer
    x = 5,345,483.97

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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.