Home / 13,480,353.20-20,220,529.80-12,736,335.80

Finding the Fourth Proportional to 13,480,353.20, 20,220,529.80 and 12,736,335.80

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Solution

The fourth proportional to 13,480,353.20, 20,220,529.80 and 12,736,335.80 is: 19,104,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,353.20 : 20,220,529.80 = 12,736,335.80 : x
  2. Step 2: Convert to fraction form
    13,480,353.20/20,220,529.80 = 12,736,335.80/x
  3. Step 3: Cross multiply
    13,480,353.20x = 20,220,529.80 × 12,736,335.80
  4. Step 4: Simplify right side
    13,480,353.20x = 257,535,457,586,706.88
  5. Step 5: Solve for x
    x = 257,535,457,586,706.88/13,480,353.20
  6. Step 6: Final answer
    x = 19,104,503.70

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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.