Home / 13,348,577.25-18,423,917.89-8,123,268.98

Finding the Fourth Proportional to 13,348,577.25, 18,423,917.89 and 8,123,268.98

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Solution

The fourth proportional to 13,348,577.25, 18,423,917.89 and 8,123,268.98 is: 11,211,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,577.25 : 18,423,917.89 = 8,123,268.98 : x
  2. Step 2: Convert to fraction form
    13,348,577.25/18,423,917.89 = 8,123,268.98/x
  3. Step 3: Cross multiply
    13,348,577.25x = 18,423,917.89 × 8,123,268.98
  4. Step 4: Simplify right side
    13,348,577.25x = 149,662,440,711,655.66
  5. Step 5: Solve for x
    x = 149,662,440,711,655.66/13,348,577.25
  6. Step 6: Final answer
    x = 11,211,864.60

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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.