Home / 13,776,773.76-20,677,929.60-6,958,135.38

Finding the Fourth Proportional to 13,776,773.76, 20,677,929.60 and 6,958,135.38

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Solution

The fourth proportional to 13,776,773.76, 20,677,929.60 and 6,958,135.38 is: 10,443,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,773.76 : 20,677,929.60 = 6,958,135.38 : x
  2. Step 2: Convert to fraction form
    13,776,773.76/20,677,929.60 = 6,958,135.38/x
  3. Step 3: Cross multiply
    13,776,773.76x = 20,677,929.60 × 6,958,135.38
  4. Step 4: Simplify right side
    13,776,773.76x = 143,879,833,534,909.25
  5. Step 5: Solve for x
    x = 143,879,833,534,909.25/13,776,773.76
  6. Step 6: Final answer
    x = 10,443,652.20

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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.