Home / 20,136,541.94-27,786,356.61-11,314,592.18

Finding the Fourth Proportional to 20,136,541.94, 27,786,356.61 and 11,314,592.18

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Solution

The fourth proportional to 20,136,541.94, 27,786,356.61 and 11,314,592.18 is: 15,612,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136,541.94 : 27,786,356.61 = 11,314,592.18 : x
  2. Step 2: Convert to fraction form
    20,136,541.94/27,786,356.61 = 11,314,592.18/x
  3. Step 3: Cross multiply
    20,136,541.94x = 27,786,356.61 × 11,314,592.18
  4. Step 4: Simplify right side
    20,136,541.94x = 314,391,293,210,197.31
  5. Step 5: Solve for x
    x = 314,391,293,210,197.31/20,136,541.94
  6. Step 6: Final answer
    x = 15,612,973.38

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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.