Home / 12,240,702.69-18,360,389.58-3,720,374.85

Finding the Fourth Proportional to 12,240,702.69, 18,360,389.58 and 3,720,374.85

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Solution

The fourth proportional to 12,240,702.69, 18,360,389.58 and 3,720,374.85 is: 5,580,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,702.69 : 18,360,389.58 = 3,720,374.85 : x
  2. Step 2: Convert to fraction form
    12,240,702.69/18,360,389.58 = 3,720,374.85/x
  3. Step 3: Cross multiply
    12,240,702.69x = 18,360,389.58 × 3,720,374.85
  4. Step 4: Simplify right side
    12,240,702.69x = 68,307,531,629,634.05
  5. Step 5: Solve for x
    x = 68,307,531,629,634.05/12,240,702.69
  6. Step 6: Final answer
    x = 5,580,360.32

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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.