Home / 18,220,407.91-25,144,213.59-9,960,570

Finding the Fourth Proportional to 18,220,407.91, 25,144,213.59 and 9,960,570

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Solution

The fourth proportional to 18,220,407.91, 25,144,213.59 and 9,960,570 is: 13,745,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220,407.91 : 25,144,213.59 = 9,960,570 : x
  2. Step 2: Convert to fraction form
    18,220,407.91/25,144,213.59 = 9,960,570/x
  3. Step 3: Cross multiply
    18,220,407.91x = 25,144,213.59 × 9,960,570
  4. Step 4: Simplify right side
    18,220,407.91x = 250,450,699,558,146.31
  5. Step 5: Solve for x
    x = 250,450,699,558,146.31/18,220,407.91
  6. Step 6: Final answer
    x = 13,745,614.30

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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.