Home / 56,131,320-84,196,983.36-13,581,048

Finding the Fourth Proportional to 56,131,320, 84,196,983.36 and 13,581,048

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Solution

The fourth proportional to 56,131,320, 84,196,983.36 and 13,581,048 is: 20,371,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,131,320 : 84,196,983.36 = 13,581,048 : x
  2. Step 2: Convert to fraction form
    56,131,320/84,196,983.36 = 13,581,048/x
  3. Step 3: Cross multiply
    56,131,320x = 84,196,983.36 × 13,581,048
  4. Step 4: Simplify right side
    56,131,320x = 1,143,483,272,467,361.25
  5. Step 5: Solve for x
    x = 1,143,483,272,467,361.25/56,131,320
  6. Step 6: Final answer
    x = 20,371,572.81

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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.