Home / 12,658,654.20-18,988,499.70-3,683,206.20

Finding the Fourth Proportional to 12,658,654.20, 18,988,499.70 and 3,683,206.20

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Solution

The fourth proportional to 12,658,654.20, 18,988,499.70 and 3,683,206.20 is: 5,524,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,654.20 : 18,988,499.70 = 3,683,206.20 : x
  2. Step 2: Convert to fraction form
    12,658,654.20/18,988,499.70 = 3,683,206.20/x
  3. Step 3: Cross multiply
    12,658,654.20x = 18,988,499.70 × 3,683,206.20
  4. Step 4: Simplify right side
    12,658,654.20x = 69,938,559,823,738.14
  5. Step 5: Solve for x
    x = 69,938,559,823,738.14/12,658,654.20
  6. Step 6: Final answer
    x = 5,524,960.14

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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.