Home / 11,078,821.80-16,618,232.70-10,406,975.40

Finding the Fourth Proportional to 11,078,821.80, 16,618,232.70 and 10,406,975.40

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Solution

The fourth proportional to 11,078,821.80, 16,618,232.70 and 10,406,975.40 is: 15,610,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078,821.80 : 16,618,232.70 = 10,406,975.40 : x
  2. Step 2: Convert to fraction form
    11,078,821.80/16,618,232.70 = 10,406,975.40/x
  3. Step 3: Cross multiply
    11,078,821.80x = 16,618,232.70 × 10,406,975.40
  4. Step 4: Simplify right side
    11,078,821.80x = 172,945,538,900,375.59
  5. Step 5: Solve for x
    x = 172,945,538,900,375.59/11,078,821.80
  6. Step 6: Final answer
    x = 15,610,463.10

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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.