Home / 12,457,549.40-18,686,324.10-11,040,373.40

Finding the Fourth Proportional to 12,457,549.40, 18,686,324.10 and 11,040,373.40

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Solution

The fourth proportional to 12,457,549.40, 18,686,324.10 and 11,040,373.40 is: 16,560,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,549.40 : 18,686,324.10 = 11,040,373.40 : x
  2. Step 2: Convert to fraction form
    12,457,549.40/18,686,324.10 = 11,040,373.40/x
  3. Step 3: Cross multiply
    12,457,549.40x = 18,686,324.10 × 11,040,373.40
  4. Step 4: Simplify right side
    12,457,549.40x = 206,303,995,537,418.97
  5. Step 5: Solve for x
    x = 206,303,995,537,418.97/12,457,549.40
  6. Step 6: Final answer
    x = 16,560,560.10

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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.