Home / 18,718,501.25-28,059,151.44-13,026,768.14

Finding the Fourth Proportional to 18,718,501.25, 28,059,151.44 and 13,026,768.14

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Solution

The fourth proportional to 18,718,501.25, 28,059,151.44 and 13,026,768.14 is: 19,527,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,501.25 : 28,059,151.44 = 13,026,768.14 : x
  2. Step 2: Convert to fraction form
    18,718,501.25/28,059,151.44 = 13,026,768.14/x
  3. Step 3: Cross multiply
    18,718,501.25x = 28,059,151.44 × 13,026,768.14
  4. Step 4: Simplify right side
    18,718,501.25x = 365,520,060,133,025.38
  5. Step 5: Solve for x
    x = 365,520,060,133,025.38/18,718,501.25
  6. Step 6: Final answer
    x = 19,527,207.61

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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.