Home / 13,977,700.05-19,290,020-8,397,653.39

Finding the Fourth Proportional to 13,977,700.05, 19,290,020 and 8,397,653.39

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Solution

The fourth proportional to 13,977,700.05, 19,290,020 and 8,397,653.39 is: 11,589,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,700.05 : 19,290,020 = 8,397,653.39 : x
  2. Step 2: Convert to fraction form
    13,977,700.05/19,290,020 = 8,397,653.39/x
  3. Step 3: Cross multiply
    13,977,700.05x = 19,290,020 × 8,397,653.39
  4. Step 4: Simplify right side
    13,977,700.05x = 161,990,901,846,167.81
  5. Step 5: Solve for x
    x = 161,990,901,846,167.81/13,977,700.05
  6. Step 6: Final answer
    x = 11,589,238.66

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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.