Home / 13,480,218.60-20,220,327.90-3,895,909.80

Finding the Fourth Proportional to 13,480,218.60, 20,220,327.90 and 3,895,909.80

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Solution

The fourth proportional to 13,480,218.60, 20,220,327.90 and 3,895,909.80 is: 5,843,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,218.60 : 20,220,327.90 = 3,895,909.80 : x
  2. Step 2: Convert to fraction form
    13,480,218.60/20,220,327.90 = 3,895,909.80/x
  3. Step 3: Cross multiply
    13,480,218.60x = 20,220,327.90 × 3,895,909.80
  4. Step 4: Simplify right side
    13,480,218.60x = 78,776,573,624,823.41
  5. Step 5: Solve for x
    x = 78,776,573,624,823.41/13,480,218.60
  6. Step 6: Final answer
    x = 5,843,864.70

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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.