Home / 20,593,717.34-30,892,391.61-7,640,018.06

Finding the Fourth Proportional to 20,593,717.34, 30,892,391.61 and 7,640,018.06

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Solution

The fourth proportional to 20,593,717.34, 30,892,391.61 and 7,640,018.06 is: 11,460,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,593,717.34 : 30,892,391.61 = 7,640,018.06 : x
  2. Step 2: Convert to fraction form
    20,593,717.34/30,892,391.61 = 7,640,018.06/x
  3. Step 3: Cross multiply
    20,593,717.34x = 30,892,391.61 × 7,640,018.06
  4. Step 4: Simplify right side
    20,593,717.34x = 236,018,429,816,992.47
  5. Step 5: Solve for x
    x = 236,018,429,816,992.47/20,593,717.34
  6. Step 6: Final answer
    x = 11,460,700.66

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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.