Home / 12,768,753.60-19,153,130.40-11,593,022.40

Finding the Fourth Proportional to 12,768,753.60, 19,153,130.40 and 11,593,022.40

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Solution

The fourth proportional to 12,768,753.60, 19,153,130.40 and 11,593,022.40 is: 17,389,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,753.60 : 19,153,130.40 = 11,593,022.40 : x
  2. Step 2: Convert to fraction form
    12,768,753.60/19,153,130.40 = 11,593,022.40/x
  3. Step 3: Cross multiply
    12,768,753.60x = 19,153,130.40 × 11,593,022.40
  4. Step 4: Simplify right side
    12,768,753.60x = 222,042,669,757,320.94
  5. Step 5: Solve for x
    x = 222,042,669,757,320.94/12,768,753.60
  6. Step 6: Final answer
    x = 17,389,533.60

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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.