Home / 5,533,123-7,642,008.30-3,719,137.72

Finding the Fourth Proportional to 5,533,123, 7,642,008.30 and 3,719,137.72

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Solution

The fourth proportional to 5,533,123, 7,642,008.30 and 3,719,137.72 is: 5,136,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533,123 : 7,642,008.30 = 3,719,137.72 : x
  2. Step 2: Convert to fraction form
    5,533,123/7,642,008.30 = 3,719,137.72/x
  3. Step 3: Cross multiply
    5,533,123x = 7,642,008.30 × 3,719,137.72
  4. Step 4: Simplify right side
    5,533,123x = 28,421,681,325,083.08
  5. Step 5: Solve for x
    x = 28,421,681,325,083.08/5,533,123
  6. Step 6: Final answer
    x = 5,136,643.69

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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.