Home / 14,261,211.28-19,680,917.06-8,066,136.77

Finding the Fourth Proportional to 14,261,211.28, 19,680,917.06 and 8,066,136.77

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Solution

The fourth proportional to 14,261,211.28, 19,680,917.06 and 8,066,136.77 is: 11,131,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261,211.28 : 19,680,917.06 = 8,066,136.77 : x
  2. Step 2: Convert to fraction form
    14,261,211.28/19,680,917.06 = 8,066,136.77/x
  3. Step 3: Cross multiply
    14,261,211.28x = 19,680,917.06 × 8,066,136.77
  4. Step 4: Simplify right side
    14,261,211.28x = 158,748,968,666,581.69
  5. Step 5: Solve for x
    x = 158,748,968,666,581.69/14,261,211.28
  6. Step 6: Final answer
    x = 11,131,520.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.