Home / 13,186,136.20-19,779,204.30-12,949,940.20

Finding the Fourth Proportional to 13,186,136.20, 19,779,204.30 and 12,949,940.20

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Solution

The fourth proportional to 13,186,136.20, 19,779,204.30 and 12,949,940.20 is: 19,424,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,136.20 : 19,779,204.30 = 12,949,940.20 : x
  2. Step 2: Convert to fraction form
    13,186,136.20/19,779,204.30 = 12,949,940.20/x
  3. Step 3: Cross multiply
    13,186,136.20x = 19,779,204.30 × 12,949,940.20
  4. Step 4: Simplify right side
    13,186,136.20x = 256,139,512,888,582.84
  5. Step 5: Solve for x
    x = 256,139,512,888,582.84/13,186,136.20
  6. Step 6: Final answer
    x = 19,424,910.30

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Double scale
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Similar ratio
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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.