Home / 17,780,409.91-24,540,913-10,809,606.25

Finding the Fourth Proportional to 17,780,409.91, 24,540,913 and 10,809,606.25

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Solution

The fourth proportional to 17,780,409.91, 24,540,913 and 10,809,606.25 is: 14,919,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780,409.91 : 24,540,913 = 10,809,606.25 : x
  2. Step 2: Convert to fraction form
    17,780,409.91/24,540,913 = 10,809,606.25/x
  3. Step 3: Cross multiply
    17,780,409.91x = 24,540,913 × 10,809,606.25
  4. Step 4: Simplify right side
    17,780,409.91x = 265,277,606,545,506.25
  5. Step 5: Solve for x
    x = 265,277,606,545,506.25/17,780,409.91
  6. Step 6: Final answer
    x = 14,919,656.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.