Home / 18,447,189.40-27,687,514.65-9,355,611.70

Finding the Fourth Proportional to 18,447,189.40, 27,687,514.65 and 9,355,611.70

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Solution

The fourth proportional to 18,447,189.40, 27,687,514.65 and 9,355,611.70 is: 14,041,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,189.40 : 27,687,514.65 = 9,355,611.70 : x
  2. Step 2: Convert to fraction form
    18,447,189.40/27,687,514.65 = 9,355,611.70/x
  3. Step 3: Cross multiply
    18,447,189.40x = 27,687,514.65 × 9,355,611.70
  4. Step 4: Simplify right side
    18,447,189.40x = 259,033,636,003,461.38
  5. Step 5: Solve for x
    x = 259,033,636,003,461.38/18,447,189.40
  6. Step 6: Final answer
    x = 14,041,902.56

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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.