Home / 18,215,539.94-27,319,285.53-5,258,876.24

Finding the Fourth Proportional to 18,215,539.94, 27,319,285.53 and 5,258,876.24

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Solution

The fourth proportional to 18,215,539.94, 27,319,285.53 and 5,258,876.24 is: 7,887,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,539.94 : 27,319,285.53 = 5,258,876.24 : x
  2. Step 2: Convert to fraction form
    18,215,539.94/27,319,285.53 = 5,258,876.24/x
  3. Step 3: Cross multiply
    18,215,539.94x = 27,319,285.53 × 5,258,876.24
  4. Step 4: Simplify right side
    18,215,539.94x = 143,668,741,567,492.81
  5. Step 5: Solve for x
    x = 143,668,741,567,492.81/18,215,539.94
  6. Step 6: Final answer
    x = 7,887,152.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.