Home / 8,190,590.40-12,286,075.75-2,125,561.30

Finding the Fourth Proportional to 8,190,590.40, 12,286,075.75 and 2,125,561.30

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Solution

The fourth proportional to 8,190,590.40, 12,286,075.75 and 2,125,561.30 is: 3,188,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,590.40 : 12,286,075.75 = 2,125,561.30 : x
  2. Step 2: Convert to fraction form
    8,190,590.40/12,286,075.75 = 2,125,561.30/x
  3. Step 3: Cross multiply
    8,190,590.40x = 12,286,075.75 × 2,125,561.30
  4. Step 4: Simplify right side
    8,190,590.40x = 26,114,807,107,039.38
  5. Step 5: Solve for x
    x = 26,114,807,107,039.38/8,190,590.40
  6. Step 6: Final answer
    x = 3,188,391.29

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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.