Home / 8,241,606.40-12,362,409.60-5,554,220.80

Finding the Fourth Proportional to 8,241,606.40, 12,362,409.60 and 5,554,220.80

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Solution

The fourth proportional to 8,241,606.40, 12,362,409.60 and 5,554,220.80 is: 8,331,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241,606.40 : 12,362,409.60 = 5,554,220.80 : x
  2. Step 2: Convert to fraction form
    8,241,606.40/12,362,409.60 = 5,554,220.80/x
  3. Step 3: Cross multiply
    8,241,606.40x = 12,362,409.60 × 5,554,220.80
  4. Step 4: Simplify right side
    8,241,606.40x = 68,663,552,538,439.67
  5. Step 5: Solve for x
    x = 68,663,552,538,439.67/8,241,606.40
  6. Step 6: Final answer
    x = 8,331,331.20

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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.