Home / 18,718,502.25-28,059,152.94-13,026,769.14

Finding the Fourth Proportional to 18,718,502.25, 28,059,152.94 and 13,026,769.14

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Solution

The fourth proportional to 18,718,502.25, 28,059,152.94 and 13,026,769.14 is: 19,527,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,502.25 : 28,059,152.94 = 13,026,769.14 : x
  2. Step 2: Convert to fraction form
    18,718,502.25/28,059,152.94 = 13,026,769.14/x
  3. Step 3: Cross multiply
    18,718,502.25x = 28,059,152.94 × 13,026,769.14
  4. Step 4: Simplify right side
    18,718,502.25x = 365,520,107,613,332.31
  5. Step 5: Solve for x
    x = 365,520,107,613,332.31/18,718,502.25
  6. Step 6: Final answer
    x = 19,527,209.11

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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.