Home / 12,494,767.80-18,728,154.90-7,105,999.80

Finding the Fourth Proportional to 12,494,767.80, 18,728,154.90 and 7,105,999.80

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Solution

The fourth proportional to 12,494,767.80, 18,728,154.90 and 7,105,999.80 is: 10,651,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494,767.80 : 18,728,154.90 = 7,105,999.80 : x
  2. Step 2: Convert to fraction form
    12,494,767.80/18,728,154.90 = 7,105,999.80/x
  3. Step 3: Cross multiply
    12,494,767.80x = 18,728,154.90 × 7,105,999.80
  4. Step 4: Simplify right side
    12,494,767.80x = 133,082,264,973,769
  5. Step 5: Solve for x
    x = 133,082,264,973,769/12,494,767.80
  6. Step 6: Final answer
    x = 10,651,039.47

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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.