Home / 10,961,871.80-16,442,807.70-5,293,167.80

Finding the Fourth Proportional to 10,961,871.80, 16,442,807.70 and 5,293,167.80

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Solution

The fourth proportional to 10,961,871.80, 16,442,807.70 and 5,293,167.80 is: 7,939,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961,871.80 : 16,442,807.70 = 5,293,167.80 : x
  2. Step 2: Convert to fraction form
    10,961,871.80/16,442,807.70 = 5,293,167.80/x
  3. Step 3: Cross multiply
    10,961,871.80x = 16,442,807.70 × 5,293,167.80
  4. Step 4: Simplify right side
    10,961,871.80x = 87,034,540,259,232.05
  5. Step 5: Solve for x
    x = 87,034,540,259,232.05/10,961,871.80
  6. Step 6: Final answer
    x = 7,939,751.70

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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.