Home / 18,354,310.40-25,326,962.78-10,617,907.26

Finding the Fourth Proportional to 18,354,310.40, 25,326,962.78 and 10,617,907.26

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Solution

The fourth proportional to 18,354,310.40, 25,326,962.78 and 10,617,907.26 is: 14,651,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354,310.40 : 25,326,962.78 = 10,617,907.26 : x
  2. Step 2: Convert to fraction form
    18,354,310.40/25,326,962.78 = 10,617,907.26/x
  3. Step 3: Cross multiply
    18,354,310.40x = 25,326,962.78 × 10,617,907.26
  4. Step 4: Simplify right side
    18,354,310.40x = 268,919,341,975,511.78
  5. Step 5: Solve for x
    x = 268,919,341,975,511.78/18,354,310.40
  6. Step 6: Final answer
    x = 14,651,563.37

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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.