Home / 12,151,203.40-18,205,809.90-10,261,635.40

Finding the Fourth Proportional to 12,151,203.40, 18,205,809.90 and 10,261,635.40

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Solution

The fourth proportional to 12,151,203.40, 18,205,809.90 and 10,261,635.40 is: 15,374,722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,203.40 : 18,205,809.90 = 10,261,635.40 : x
  2. Step 2: Convert to fraction form
    12,151,203.40/18,205,809.90 = 10,261,635.40/x
  3. Step 3: Cross multiply
    12,151,203.40x = 18,205,809.90 × 10,261,635.40
  4. Step 4: Simplify right side
    12,151,203.40x = 186,821,383,355,510.44
  5. Step 5: Solve for x
    x = 186,821,383,355,510.44/12,151,203.40
  6. Step 6: Final answer
    x = 15,374,722.75

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1.5x scale

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.