Home / 12,589,922.40-18,922,208.40-10,947,631.20

Finding the Fourth Proportional to 12,589,922.40, 18,922,208.40 and 10,947,631.20

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Solution

The fourth proportional to 12,589,922.40, 18,922,208.40 and 10,947,631.20 is: 16,453,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,922.40 : 18,922,208.40 = 10,947,631.20 : x
  2. Step 2: Convert to fraction form
    12,589,922.40/18,922,208.40 = 10,947,631.20/x
  3. Step 3: Cross multiply
    12,589,922.40x = 18,922,208.40 × 10,947,631.20
  4. Step 4: Simplify right side
    12,589,922.40x = 207,153,359,052,742.06
  5. Step 5: Solve for x
    x = 207,153,359,052,742.06/12,589,922.40
  6. Step 6: Final answer
    x = 16,453,902.77

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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.