Home / 12,494,124.80-18,727,190.40-7,105,356.80

Finding the Fourth Proportional to 12,494,124.80, 18,727,190.40 and 7,105,356.80

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Solution

The fourth proportional to 12,494,124.80, 18,727,190.40 and 7,105,356.80 is: 10,650,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494,124.80 : 18,727,190.40 = 7,105,356.80 : x
  2. Step 2: Convert to fraction form
    12,494,124.80/18,727,190.40 = 7,105,356.80/x
  3. Step 3: Cross multiply
    12,494,124.80x = 18,727,190.40 × 7,105,356.80
  4. Step 4: Simplify right side
    12,494,124.80x = 133,063,369,653,534.70
  5. Step 5: Solve for x
    x = 133,063,369,653,534.70/12,494,124.80
  6. Step 6: Final answer
    x = 10,650,075.28

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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.