Home / 12,286,846.60-18,444,266.70-7,241,000.20

Finding the Fourth Proportional to 12,286,846.60, 18,444,266.70 and 7,241,000.20

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Solution

The fourth proportional to 12,286,846.60, 18,444,266.70 and 7,241,000.20 is: 10,869,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,846.60 : 18,444,266.70 = 7,241,000.20 : x
  2. Step 2: Convert to fraction form
    12,286,846.60/18,444,266.70 = 7,241,000.20/x
  3. Step 3: Cross multiply
    12,286,846.60x = 18,444,266.70 × 7,241,000.20
  4. Step 4: Simplify right side
    12,286,846.60x = 133,554,938,863,553.34
  5. Step 5: Solve for x
    x = 133,554,938,863,553.34/12,286,846.60
  6. Step 6: Final answer
    x = 10,869,749.03

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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.