Home / 13,824,069.60-20,736,104.40-8,508,280.80

Finding the Fourth Proportional to 13,824,069.60, 20,736,104.40 and 8,508,280.80

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Solution

The fourth proportional to 13,824,069.60, 20,736,104.40 and 8,508,280.80 is: 12,762,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,069.60 : 20,736,104.40 = 8,508,280.80 : x
  2. Step 2: Convert to fraction form
    13,824,069.60/20,736,104.40 = 8,508,280.80/x
  3. Step 3: Cross multiply
    13,824,069.60x = 20,736,104.40 × 8,508,280.80
  4. Step 4: Simplify right side
    13,824,069.60x = 176,428,598,933,315.53
  5. Step 5: Solve for x
    x = 176,428,598,933,315.53/13,824,069.60
  6. Step 6: Final answer
    x = 12,762,421.20

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1.5x scale

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.