Home / 13,117,851.27-18,102,666.78-7,317,008.73

Finding the Fourth Proportional to 13,117,851.27, 18,102,666.78 and 7,317,008.73

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Solution

The fourth proportional to 13,117,851.27, 18,102,666.78 and 7,317,008.73 is: 10,097,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,851.27 : 18,102,666.78 = 7,317,008.73 : x
  2. Step 2: Convert to fraction form
    13,117,851.27/18,102,666.78 = 7,317,008.73/x
  3. Step 3: Cross multiply
    13,117,851.27x = 18,102,666.78 × 7,317,008.73
  4. Step 4: Simplify right side
    13,117,851.27x = 132,457,370,865,541
  5. Step 5: Solve for x
    x = 132,457,370,865,541/13,117,851.27
  6. Step 6: Final answer
    x = 10,097,489.91

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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.