Home / 20,492,005.23-28,279,553.63-11,200,093.47

Finding the Fourth Proportional to 20,492,005.23, 28,279,553.63 and 11,200,093.47

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Solution

The fourth proportional to 20,492,005.23, 28,279,553.63 and 11,200,093.47 is: 15,456,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492,005.23 : 28,279,553.63 = 11,200,093.47 : x
  2. Step 2: Convert to fraction form
    20,492,005.23/28,279,553.63 = 11,200,093.47/x
  3. Step 3: Cross multiply
    20,492,005.23x = 28,279,553.63 × 11,200,093.47
  4. Step 4: Simplify right side
    20,492,005.23x = 316,733,643,889,877.38
  5. Step 5: Solve for x
    x = 316,733,643,889,877.38/20,492,005.23
  6. Step 6: Final answer
    x = 15,456,449.50

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1.5x scale

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.