Home / 12,470,136.93-17,203,892.76-7,242,255.18

Finding the Fourth Proportional to 12,470,136.93, 17,203,892.76 and 7,242,255.18

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Solution

The fourth proportional to 12,470,136.93, 17,203,892.76 and 7,242,255.18 is: 9,991,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,136.93 : 17,203,892.76 = 7,242,255.18 : x
  2. Step 2: Convert to fraction form
    12,470,136.93/17,203,892.76 = 7,242,255.18/x
  3. Step 3: Cross multiply
    12,470,136.93x = 17,203,892.76 × 7,242,255.18
  4. Step 4: Simplify right side
    12,470,136.93x = 124,594,981,457,274.50
  5. Step 5: Solve for x
    x = 124,594,981,457,274.50/12,470,136.93
  6. Step 6: Final answer
    x = 9,991,468.59

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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.