Home / 13,941,497.70-20,912,246.55-11,071,716.30

Finding the Fourth Proportional to 13,941,497.70, 20,912,246.55 and 11,071,716.30

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Solution

The fourth proportional to 13,941,497.70, 20,912,246.55 and 11,071,716.30 is: 16,607,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,497.70 : 20,912,246.55 = 11,071,716.30 : x
  2. Step 2: Convert to fraction form
    13,941,497.70/20,912,246.55 = 11,071,716.30/x
  3. Step 3: Cross multiply
    13,941,497.70x = 20,912,246.55 × 11,071,716.30
  4. Step 4: Simplify right side
    13,941,497.70x = 231,534,460,997,253.78
  5. Step 5: Solve for x
    x = 231,534,460,997,253.78/13,941,497.70
  6. Step 6: Final answer
    x = 16,607,574.45

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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.