Home / 12,481,775.40-18,722,663.10-7,107,004.20

Finding the Fourth Proportional to 12,481,775.40, 18,722,663.10 and 7,107,004.20

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Solution

The fourth proportional to 12,481,775.40, 18,722,663.10 and 7,107,004.20 is: 10,660,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,775.40 : 18,722,663.10 = 7,107,004.20 : x
  2. Step 2: Convert to fraction form
    12,481,775.40/18,722,663.10 = 7,107,004.20/x
  3. Step 3: Cross multiply
    12,481,775.40x = 18,722,663.10 × 7,107,004.20
  4. Step 4: Simplify right side
    12,481,775.40x = 133,062,045,286,885.03
  5. Step 5: Solve for x
    x = 133,062,045,286,885.03/12,481,775.40
  6. Step 6: Final answer
    x = 10,660,506.30

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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.