Home / 27,829,078.65-38,404,113.66-15,270,215.76

Finding the Fourth Proportional to 27,829,078.65, 38,404,113.66 and 15,270,215.76

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Solution

The fourth proportional to 27,829,078.65, 38,404,113.66 and 15,270,215.76 is: 21,072,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829,078.65 : 38,404,113.66 = 15,270,215.76 : x
  2. Step 2: Convert to fraction form
    27,829,078.65/38,404,113.66 = 15,270,215.76/x
  3. Step 3: Cross multiply
    27,829,078.65x = 38,404,113.66 × 15,270,215.76
  4. Step 4: Simplify right side
    27,829,078.65x = 586,439,101,551,770.88
  5. Step 5: Solve for x
    x = 586,439,101,551,770.88/27,829,078.65
  6. Step 6: Final answer
    x = 21,072,889.58

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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.