Home / 12,457,542.40-18,686,313.60-11,040,366.40

Finding the Fourth Proportional to 12,457,542.40, 18,686,313.60 and 11,040,366.40

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Solution

The fourth proportional to 12,457,542.40, 18,686,313.60 and 11,040,366.40 is: 16,560,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,542.40 : 18,686,313.60 = 11,040,366.40 : x
  2. Step 2: Convert to fraction form
    12,457,542.40/18,686,313.60 = 11,040,366.40/x
  3. Step 3: Cross multiply
    12,457,542.40x = 18,686,313.60 × 11,040,366.40
  4. Step 4: Simplify right side
    12,457,542.40x = 206,303,748,809,303.06
  5. Step 5: Solve for x
    x = 206,303,748,809,303.06/12,457,542.40
  6. Step 6: Final answer
    x = 16,560,549.60

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Similar ratio
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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.