Home / 12,291,821.40-18,437,732.10-3,771,050.70

Finding the Fourth Proportional to 12,291,821.40, 18,437,732.10 and 3,771,050.70

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Solution

The fourth proportional to 12,291,821.40, 18,437,732.10 and 3,771,050.70 is: 5,656,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,821.40 : 18,437,732.10 = 3,771,050.70 : x
  2. Step 2: Convert to fraction form
    12,291,821.40/18,437,732.10 = 3,771,050.70/x
  3. Step 3: Cross multiply
    12,291,821.40x = 18,437,732.10 × 3,771,050.70
  4. Step 4: Simplify right side
    12,291,821.40x = 69,529,622,542,117.48
  5. Step 5: Solve for x
    x = 69,529,622,542,117.48/12,291,821.40
  6. Step 6: Final answer
    x = 5,656,576.05

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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.