Home / 30,049,956.66-45,075,711.38-8,190,515.62

Finding the Fourth Proportional to 30,049,956.66, 45,075,711.38 and 8,190,515.62

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Solution

The fourth proportional to 30,049,956.66, 45,075,711.38 and 8,190,515.62 is: 12,285,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049,956.66 : 45,075,711.38 = 8,190,515.62 : x
  2. Step 2: Convert to fraction form
    30,049,956.66/45,075,711.38 = 8,190,515.62/x
  3. Step 3: Cross multiply
    30,049,956.66x = 45,075,711.38 × 8,190,515.62
  4. Step 4: Simplify right side
    30,049,956.66x = 369,193,317,986,859.88
  5. Step 5: Solve for x
    x = 369,193,317,986,859.88/30,049,956.66
  6. Step 6: Final answer
    x = 12,285,985.04

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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.