Home / 29,090,766-43,642,447.88-11,139,870.64

Finding the Fourth Proportional to 29,090,766, 43,642,447.88 and 11,139,870.64

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Solution

The fourth proportional to 29,090,766, 43,642,447.88 and 11,139,870.64 is: 16,712,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090,766 : 43,642,447.88 = 11,139,870.64 : x
  2. Step 2: Convert to fraction form
    29,090,766/43,642,447.88 = 11,139,870.64/x
  3. Step 3: Cross multiply
    29,090,766x = 43,642,447.88 × 11,139,870.64
  4. Step 4: Simplify right side
    29,090,766x = 486,171,223,796,142.31
  5. Step 5: Solve for x
    x = 486,171,223,796,142.31/29,090,766
  6. Step 6: Final answer
    x = 16,712,218.02

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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.