Home / 14,508,032.32-20,021,084.32-7,981,521.44

Finding the Fourth Proportional to 14,508,032.32, 20,021,084.32 and 7,981,521.44

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Solution

The fourth proportional to 14,508,032.32, 20,021,084.32 and 7,981,521.44 is: 11,014,499.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,032.32 : 20,021,084.32 = 7,981,521.44 : x
  2. Step 2: Convert to fraction form
    14,508,032.32/20,021,084.32 = 7,981,521.44/x
  3. Step 3: Cross multiply
    14,508,032.32x = 20,021,084.32 × 7,981,521.44
  4. Step 4: Simplify right side
    14,508,032.32x = 159,798,713,752,127.84
  5. Step 5: Solve for x
    x = 159,798,713,752,127.84/14,508,032.32
  6. Step 6: Final answer
    x = 11,014,499.43

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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.