Home / 13,554,884.76-18,705,216.31-7,359,789.68

Finding the Fourth Proportional to 13,554,884.76, 18,705,216.31 and 7,359,789.68

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Solution

The fourth proportional to 13,554,884.76, 18,705,216.31 and 7,359,789.68 is: 10,156,224.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554,884.76 : 18,705,216.31 = 7,359,789.68 : x
  2. Step 2: Convert to fraction form
    13,554,884.76/18,705,216.31 = 7,359,789.68/x
  3. Step 3: Cross multiply
    13,554,884.76x = 18,705,216.31 × 7,359,789.68
  4. Step 4: Simplify right side
    13,554,884.76x = 137,666,457,960,505.67
  5. Step 5: Solve for x
    x = 137,666,457,960,505.67/13,554,884.76
  6. Step 6: Final answer
    x = 10,156,224.89

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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.