Home / 13,764,341.80-20,662,259.10-8,087,764.60

Finding the Fourth Proportional to 13,764,341.80, 20,662,259.10 and 8,087,764.60

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Solution

The fourth proportional to 13,764,341.80, 20,662,259.10 and 8,087,764.60 is: 12,140,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,341.80 : 20,662,259.10 = 8,087,764.60 : x
  2. Step 2: Convert to fraction form
    13,764,341.80/20,662,259.10 = 8,087,764.60/x
  3. Step 3: Cross multiply
    13,764,341.80x = 20,662,259.10 × 8,087,764.60
  4. Step 4: Simplify right side
    13,764,341.80x = 167,111,487,705,007.88
  5. Step 5: Solve for x
    x = 167,111,487,705,007.88/13,764,341.80
  6. Step 6: Final answer
    x = 12,140,899.30

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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.