Home / 13,764,519.56-18,995,524.40-7,570,045.72

Finding the Fourth Proportional to 13,764,519.56, 18,995,524.40 and 7,570,045.72

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Solution

The fourth proportional to 13,764,519.56, 18,995,524.40 and 7,570,045.72 is: 10,446,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,519.56 : 18,995,524.40 = 7,570,045.72 : x
  2. Step 2: Convert to fraction form
    13,764,519.56/18,995,524.40 = 7,570,045.72/x
  3. Step 3: Cross multiply
    13,764,519.56x = 18,995,524.40 × 7,570,045.72
  4. Step 4: Simplify right side
    13,764,519.56x = 143,796,988,183,463.59
  5. Step 5: Solve for x
    x = 143,796,988,183,463.59/13,764,519.56
  6. Step 6: Final answer
    x = 10,446,931.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.