Home / 56,075,447.32-84,126,383.04-19,187,738.94

Finding the Fourth Proportional to 56,075,447.32, 84,126,383.04 and 19,187,738.94

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Solution

The fourth proportional to 56,075,447.32, 84,126,383.04 and 19,187,738.94 is: 28,786,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,075,447.32 : 84,126,383.04 = 19,187,738.94 : x
  2. Step 2: Convert to fraction form
    56,075,447.32/84,126,383.04 = 19,187,738.94/x
  3. Step 3: Cross multiply
    56,075,447.32x = 84,126,383.04 × 19,187,738.94
  4. Step 4: Simplify right side
    56,075,447.32x = 1,614,195,075,737,963.75
  5. Step 5: Solve for x
    x = 1,614,195,075,737,963.75/56,075,447.32
  6. Step 6: Final answer
    x = 28,786,129.28

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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.