Home / 18,389,789.64-25,377,907.92-10,659,316

Finding the Fourth Proportional to 18,389,789.64, 25,377,907.92 and 10,659,316

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Solution

The fourth proportional to 18,389,789.64, 25,377,907.92 and 10,659,316 is: 14,709,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,789.64 : 25,377,907.92 = 10,659,316 : x
  2. Step 2: Convert to fraction form
    18,389,789.64/25,377,907.92 = 10,659,316/x
  3. Step 3: Cross multiply
    18,389,789.64x = 25,377,907.92 × 10,659,316
  4. Step 4: Simplify right side
    18,389,789.64x = 270,511,139,938,182.75
  5. Step 5: Solve for x
    x = 270,511,139,938,182.75/18,389,789.64
  6. Step 6: Final answer
    x = 14,709,855.05

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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.