Home / 27,642,103.40-38,145,842.34-15,252,308.84

Finding the Fourth Proportional to 27,642,103.40, 38,145,842.34 and 15,252,308.84

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Solution

The fourth proportional to 27,642,103.40, 38,145,842.34 and 15,252,308.84 is: 21,048,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,642,103.40 : 38,145,842.34 = 15,252,308.84 : x
  2. Step 2: Convert to fraction form
    27,642,103.40/38,145,842.34 = 15,252,308.84/x
  3. Step 3: Cross multiply
    27,642,103.40x = 38,145,842.34 × 15,252,308.84
  4. Step 4: Simplify right side
    27,642,103.40x = 581,812,168,331,628.38
  5. Step 5: Solve for x
    x = 581,812,168,331,628.38/27,642,103.40
  6. Step 6: Final answer
    x = 21,048,042.54

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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.