Home / 14,590,681.68-20,136,182.67-8,064,170.94

Finding the Fourth Proportional to 14,590,681.68, 20,136,182.67 and 8,064,170.94

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Solution

The fourth proportional to 14,590,681.68, 20,136,182.67 and 8,064,170.94 is: 11,129,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590,681.68 : 20,136,182.67 = 8,064,170.94 : x
  2. Step 2: Convert to fraction form
    14,590,681.68/20,136,182.67 = 8,064,170.94/x
  3. Step 3: Cross multiply
    14,590,681.68x = 20,136,182.67 × 8,064,170.94
  4. Step 4: Simplify right side
    14,590,681.68x = 162,381,619,129,945.62
  5. Step 5: Solve for x
    x = 162,381,619,129,945.62/14,590,681.68
  6. Step 6: Final answer
    x = 11,129,131.78

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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.