Home / 16,120,270.81-22,240,131.08-9,146,909.94

Finding the Fourth Proportional to 16,120,270.81, 22,240,131.08 and 9,146,909.94

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Solution

The fourth proportional to 16,120,270.81, 22,240,131.08 and 9,146,909.94 is: 12,619,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120,270.81 : 22,240,131.08 = 9,146,909.94 : x
  2. Step 2: Convert to fraction form
    16,120,270.81/22,240,131.08 = 9,146,909.94/x
  3. Step 3: Cross multiply
    16,120,270.81x = 22,240,131.08 × 9,146,909.94
  4. Step 4: Simplify right side
    16,120,270.81x = 203,428,476,042,554.91
  5. Step 5: Solve for x
    x = 203,428,476,042,554.91/16,120,270.81
  6. Step 6: Final answer
    x = 12,619,420.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.