Home / 13,049,618.80-19,574,428.20-7,660,850.80

Finding the Fourth Proportional to 13,049,618.80, 19,574,428.20 and 7,660,850.80

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Solution

The fourth proportional to 13,049,618.80, 19,574,428.20 and 7,660,850.80 is: 11,491,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,618.80 : 19,574,428.20 = 7,660,850.80 : x
  2. Step 2: Convert to fraction form
    13,049,618.80/19,574,428.20 = 7,660,850.80/x
  3. Step 3: Cross multiply
    13,049,618.80x = 19,574,428.20 × 7,660,850.80
  4. Step 4: Simplify right side
    13,049,618.80x = 149,956,773,935,512.56
  5. Step 5: Solve for x
    x = 149,956,773,935,512.56/13,049,618.80
  6. Step 6: Final answer
    x = 11,491,276.20

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1.5x scale

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.