Home / 13,625,406.39-20,421,280.01-11,692,732.62

Finding the Fourth Proportional to 13,625,406.39, 20,421,280.01 and 11,692,732.62

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Solution

The fourth proportional to 13,625,406.39, 20,421,280.01 and 11,692,732.62 is: 17,524,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,406.39 : 20,421,280.01 = 11,692,732.62 : x
  2. Step 2: Convert to fraction form
    13,625,406.39/20,421,280.01 = 11,692,732.62/x
  3. Step 3: Cross multiply
    13,625,406.39x = 20,421,280.01 × 11,692,732.62
  4. Step 4: Simplify right side
    13,625,406.39x = 238,780,566,944,312.72
  5. Step 5: Solve for x
    x = 238,780,566,944,312.72/13,625,406.39
  6. Step 6: Final answer
    x = 17,524,656.52

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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.