Home / 20,072,136.96-27,693,446.40-11,368,926.72

Finding the Fourth Proportional to 20,072,136.96, 27,693,446.40 and 11,368,926.72

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Solution

The fourth proportional to 20,072,136.96, 27,693,446.40 and 11,368,926.72 is: 15,685,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072,136.96 : 27,693,446.40 = 11,368,926.72 : x
  2. Step 2: Convert to fraction form
    20,072,136.96/27,693,446.40 = 11,368,926.72/x
  3. Step 3: Cross multiply
    20,072,136.96x = 27,693,446.40 × 11,368,926.72
  4. Step 4: Simplify right side
    20,072,136.96x = 314,844,762,745,847.81
  5. Step 5: Solve for x
    x = 314,844,762,745,847.81/20,072,136.96
  6. Step 6: Final answer
    x = 15,685,662.34

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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.