Home / 12,460,015.40-18,660,531.90-8,449,212.20

Finding the Fourth Proportional to 12,460,015.40, 18,660,531.90 and 8,449,212.20

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Solution

The fourth proportional to 12,460,015.40, 18,660,531.90 and 8,449,212.20 is: 12,653,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,015.40 : 18,660,531.90 = 8,449,212.20 : x
  2. Step 2: Convert to fraction form
    12,460,015.40/18,660,531.90 = 8,449,212.20/x
  3. Step 3: Cross multiply
    12,460,015.40x = 18,660,531.90 × 8,449,212.20
  4. Step 4: Simplify right side
    12,460,015.40x = 157,666,793,787,969.16
  5. Step 5: Solve for x
    x = 157,666,793,787,969.16/12,460,015.40
  6. Step 6: Final answer
    x = 12,653,820.14

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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.