Home / 27,759,733-38,309,628.84-15,369,826.72

Finding the Fourth Proportional to 27,759,733, 38,309,628.84 and 15,369,826.72

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Solution

The fourth proportional to 27,759,733, 38,309,628.84 and 15,369,826.72 is: 21,211,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759,733 : 38,309,628.84 = 15,369,826.72 : x
  2. Step 2: Convert to fraction form
    27,759,733/38,309,628.84 = 15,369,826.72/x
  3. Step 3: Cross multiply
    27,759,733x = 38,309,628.84 × 15,369,826.72
  4. Step 4: Simplify right side
    27,759,733x = 588,812,356,978,314.62
  5. Step 5: Solve for x
    x = 588,812,356,978,314.62/27,759,733
  6. Step 6: Final answer
    x = 21,211,023.79

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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.