Home / 12,744,100.40-19,116,150.60-8,209,137.20

Finding the Fourth Proportional to 12,744,100.40, 19,116,150.60 and 8,209,137.20

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Solution

The fourth proportional to 12,744,100.40, 19,116,150.60 and 8,209,137.20 is: 12,313,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,100.40 : 19,116,150.60 = 8,209,137.20 : x
  2. Step 2: Convert to fraction form
    12,744,100.40/19,116,150.60 = 8,209,137.20/x
  3. Step 3: Cross multiply
    12,744,100.40x = 19,116,150.60 × 8,209,137.20
  4. Step 4: Simplify right side
    12,744,100.40x = 156,927,103,011,262.34
  5. Step 5: Solve for x
    x = 156,927,103,011,262.34/12,744,100.40
  6. Step 6: Final answer
    x = 12,313,705.80

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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.