Home / 12,384,484.60-18,576,726.90-6,715,780.60

Finding the Fourth Proportional to 12,384,484.60, 18,576,726.90 and 6,715,780.60

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Solution

The fourth proportional to 12,384,484.60, 18,576,726.90 and 6,715,780.60 is: 10,073,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,484.60 : 18,576,726.90 = 6,715,780.60 : x
  2. Step 2: Convert to fraction form
    12,384,484.60/18,576,726.90 = 6,715,780.60/x
  3. Step 3: Cross multiply
    12,384,484.60x = 18,576,726.90 × 6,715,780.60
  4. Step 4: Simplify right side
    12,384,484.60x = 124,757,222,126,518.12
  5. Step 5: Solve for x
    x = 124,757,222,126,518.12/12,384,484.60
  6. Step 6: Final answer
    x = 10,073,670.90

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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.