Home / 13,888,421.80-20,846,078.70-6,704,996.20

Finding the Fourth Proportional to 13,888,421.80, 20,846,078.70 and 6,704,996.20

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Solution

The fourth proportional to 13,888,421.80, 20,846,078.70 and 6,704,996.20 is: 10,063,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,421.80 : 20,846,078.70 = 6,704,996.20 : x
  2. Step 2: Convert to fraction form
    13,888,421.80/20,846,078.70 = 6,704,996.20/x
  3. Step 3: Cross multiply
    13,888,421.80x = 20,846,078.70 × 6,704,996.20
  4. Step 4: Simplify right side
    13,888,421.80x = 139,772,878,468,400.94
  5. Step 5: Solve for x
    x = 139,772,878,468,400.94/13,888,421.80
  6. Step 6: Final answer
    x = 10,063,985.71

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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.