Home / 13,776,778.76-20,677,937.10-6,958,140.38

Finding the Fourth Proportional to 13,776,778.76, 20,677,937.10 and 6,958,140.38

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Solution

The fourth proportional to 13,776,778.76, 20,677,937.10 and 6,958,140.38 is: 10,443,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,778.76 : 20,677,937.10 = 6,958,140.38 : x
  2. Step 2: Convert to fraction form
    13,776,778.76/20,677,937.10 = 6,958,140.38/x
  3. Step 3: Cross multiply
    13,776,778.76x = 20,677,937.10 × 6,958,140.38
  4. Step 4: Simplify right side
    13,776,778.76x = 143,879,989,110,610.09
  5. Step 5: Solve for x
    x = 143,879,989,110,610.09/13,776,778.76
  6. Step 6: Final answer
    x = 10,443,659.70

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1.5x scale

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.