Home / 30,504,065.60-45,756,061.62-7,784,965.28

Finding the Fourth Proportional to 30,504,065.60, 45,756,061.62 and 7,784,965.28

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Solution

The fourth proportional to 30,504,065.60, 45,756,061.62 and 7,784,965.28 is: 11,677,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504,065.60 : 45,756,061.62 = 7,784,965.28 : x
  2. Step 2: Convert to fraction form
    30,504,065.60/45,756,061.62 = 7,784,965.28/x
  3. Step 3: Cross multiply
    30,504,065.60x = 45,756,061.62 × 7,784,965.28
  4. Step 4: Simplify right side
    30,504,065.60x = 356,209,351,061,240.56
  5. Step 5: Solve for x
    x = 356,209,351,061,240.56/30,504,065.60
  6. Step 6: Final answer
    x = 11,677,438.53

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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.