Home / 12,379,851.90-18,534,348.45-10,962,675.90

Finding the Fourth Proportional to 12,379,851.90, 18,534,348.45 and 10,962,675.90

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Solution

The fourth proportional to 12,379,851.90, 18,534,348.45 and 10,962,675.90 is: 16,412,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,851.90 : 18,534,348.45 = 10,962,675.90 : x
  2. Step 2: Convert to fraction form
    12,379,851.90/18,534,348.45 = 10,962,675.90/x
  3. Step 3: Cross multiply
    12,379,851.90x = 18,534,348.45 × 10,962,675.90
  4. Step 4: Simplify right side
    12,379,851.90x = 203,186,055,075,017.34
  5. Step 5: Solve for x
    x = 203,186,055,075,017.34/12,379,851.90
  6. Step 6: Final answer
    x = 16,412,640.21

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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.