Home / 13,824,077.20-20,736,115.80-12,454,140.40

Finding the Fourth Proportional to 13,824,077.20, 20,736,115.80 and 12,454,140.40

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Solution

The fourth proportional to 13,824,077.20, 20,736,115.80 and 12,454,140.40 is: 18,681,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,077.20 : 20,736,115.80 = 12,454,140.40 : x
  2. Step 2: Convert to fraction form
    13,824,077.20/20,736,115.80 = 12,454,140.40/x
  3. Step 3: Cross multiply
    13,824,077.20x = 20,736,115.80 × 12,454,140.40
  4. Step 4: Simplify right side
    13,824,077.20x = 258,250,497,523,858.34
  5. Step 5: Solve for x
    x = 258,250,497,523,858.34/13,824,077.20
  6. Step 6: Final answer
    x = 18,681,210.60

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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.