Home / 18,191,938.60-27,287,907.90-11,017,485.10

Finding the Fourth Proportional to 18,191,938.60, 27,287,907.90 and 11,017,485.10

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Solution

The fourth proportional to 18,191,938.60, 27,287,907.90 and 11,017,485.10 is: 16,526,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,938.60 : 27,287,907.90 = 11,017,485.10 : x
  2. Step 2: Convert to fraction form
    18,191,938.60/27,287,907.90 = 11,017,485.10/x
  3. Step 3: Cross multiply
    18,191,938.60x = 27,287,907.90 × 11,017,485.10
  4. Step 4: Simplify right side
    18,191,938.60x = 300,644,118,698,422.25
  5. Step 5: Solve for x
    x = 300,644,118,698,422.25/18,191,938.60
  6. Step 6: Final answer
    x = 16,526,227.65

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1.5x scale

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.