Home / 30,075,168.32-45,105,529.22-13,885,564.57

Finding the Fourth Proportional to 30,075,168.32, 45,105,529.22 and 13,885,564.57

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Solution

The fourth proportional to 30,075,168.32, 45,105,529.22 and 13,885,564.57 is: 20,825,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075,168.32 : 45,105,529.22 = 13,885,564.57 : x
  2. Step 2: Convert to fraction form
    30,075,168.32/45,105,529.22 = 13,885,564.57/x
  3. Step 3: Cross multiply
    30,075,168.32x = 45,105,529.22 × 13,885,564.57
  4. Step 4: Simplify right side
    30,075,168.32x = 626,315,738,448,331.75
  5. Step 5: Solve for x
    x = 626,315,738,448,331.75/30,075,168.32
  6. Step 6: Final answer
    x = 20,825,011.91

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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.