Home / 13,225,938.07-18,250,786.89-7,423,598.80

Finding the Fourth Proportional to 13,225,938.07, 18,250,786.89 and 7,423,598.80

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Solution

The fourth proportional to 13,225,938.07, 18,250,786.89 and 7,423,598.80 is: 10,244,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,938.07 : 18,250,786.89 = 7,423,598.80 : x
  2. Step 2: Convert to fraction form
    13,225,938.07/18,250,786.89 = 7,423,598.80/x
  3. Step 3: Cross multiply
    13,225,938.07x = 18,250,786.89 × 7,423,598.80
  4. Step 4: Simplify right side
    13,225,938.07x = 135,486,519,655,659.73
  5. Step 5: Solve for x
    x = 135,486,519,655,659.73/13,225,938.07
  6. Step 6: Final answer
    x = 10,244,000.76

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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.