Home / 13,635,898.70-18,817,939.49-7,441,344.57

Finding the Fourth Proportional to 13,635,898.70, 18,817,939.49 and 7,441,344.57

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Solution

The fourth proportional to 13,635,898.70, 18,817,939.49 and 7,441,344.57 is: 10,269,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,898.70 : 18,817,939.49 = 7,441,344.57 : x
  2. Step 2: Convert to fraction form
    13,635,898.70/18,817,939.49 = 7,441,344.57/x
  3. Step 3: Cross multiply
    13,635,898.70x = 18,817,939.49 × 7,441,344.57
  4. Step 4: Simplify right side
    13,635,898.70x = 140,030,771,811,867.28
  5. Step 5: Solve for x
    x = 140,030,771,811,867.28/13,635,898.70
  6. Step 6: Final answer
    x = 10,269,273.40

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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.