Home / 12,020,576.98-16,587,561.09-7,125,546.10

Finding the Fourth Proportional to 12,020,576.98, 16,587,561.09 and 7,125,546.10

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Solution

The fourth proportional to 12,020,576.98, 16,587,561.09 and 7,125,546.10 is: 9,832,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,576.98 : 16,587,561.09 = 7,125,546.10 : x
  2. Step 2: Convert to fraction form
    12,020,576.98/16,587,561.09 = 7,125,546.10/x
  3. Step 3: Cross multiply
    12,020,576.98x = 16,587,561.09 × 7,125,546.10
  4. Step 4: Simplify right side
    12,020,576.98x = 118,195,431,233,361.23
  5. Step 5: Solve for x
    x = 118,195,431,233,361.23/12,020,576.98
  6. Step 6: Final answer
    x = 9,832,758.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.