Home / 18,463,878.79-25,480,231.78-10,091,417.67

Finding the Fourth Proportional to 18,463,878.79, 25,480,231.78 and 10,091,417.67

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Solution

The fourth proportional to 18,463,878.79, 25,480,231.78 and 10,091,417.67 is: 13,926,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,463,878.79 : 25,480,231.78 = 10,091,417.67 : x
  2. Step 2: Convert to fraction form
    18,463,878.79/25,480,231.78 = 10,091,417.67/x
  3. Step 3: Cross multiply
    18,463,878.79x = 25,480,231.78 × 10,091,417.67
  4. Step 4: Simplify right side
    18,463,878.79x = 257,131,661,220,387.56
  5. Step 5: Solve for x
    x = 257,131,661,220,387.56/18,463,878.79
  6. Step 6: Final answer
    x = 13,926,199.59

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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.