Home / 18,345,884.70-25,316,675.55-10,085,887.09

Finding the Fourth Proportional to 18,345,884.70, 25,316,675.55 and 10,085,887.09

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Solution

The fourth proportional to 18,345,884.70, 25,316,675.55 and 10,085,887.09 is: 13,918,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,884.70 : 25,316,675.55 = 10,085,887.09 : x
  2. Step 2: Convert to fraction form
    18,345,884.70/25,316,675.55 = 10,085,887.09/x
  3. Step 3: Cross multiply
    18,345,884.70x = 25,316,675.55 × 10,085,887.09
  4. Step 4: Simplify right side
    18,345,884.70x = 255,341,131,123,109.50
  5. Step 5: Solve for x
    x = 255,341,131,123,109.50/18,345,884.70
  6. Step 6: Final answer
    x = 13,918,169.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.