Home / 13,371,218.10-18,451,994.40-7,259,646.60

Finding the Fourth Proportional to 13,371,218.10, 18,451,994.40 and 7,259,646.60

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Solution

The fourth proportional to 13,371,218.10, 18,451,994.40 and 7,259,646.60 is: 10,018,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371,218.10 : 18,451,994.40 = 7,259,646.60 : x
  2. Step 2: Convert to fraction form
    13,371,218.10/18,451,994.40 = 7,259,646.60/x
  3. Step 3: Cross multiply
    13,371,218.10x = 18,451,994.40 × 7,259,646.60
  4. Step 4: Simplify right side
    13,371,218.10x = 133,954,958,409,179.02
  5. Step 5: Solve for x
    x = 133,954,958,409,179.02/13,371,218.10
  6. Step 6: Final answer
    x = 10,018,156.72

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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.