Home / 12,261,759.80-18,392,639.70-6,953,343.80

Finding the Fourth Proportional to 12,261,759.80, 18,392,639.70 and 6,953,343.80

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Solution

The fourth proportional to 12,261,759.80, 18,392,639.70 and 6,953,343.80 is: 10,430,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261,759.80 : 18,392,639.70 = 6,953,343.80 : x
  2. Step 2: Convert to fraction form
    12,261,759.80/18,392,639.70 = 6,953,343.80/x
  3. Step 3: Cross multiply
    12,261,759.80x = 18,392,639.70 × 6,953,343.80
  4. Step 4: Simplify right side
    12,261,759.80x = 127,890,347,223,628.84
  5. Step 5: Solve for x
    x = 127,890,347,223,628.84/12,261,759.80
  6. Step 6: Final answer
    x = 10,430,015.70

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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.