Home / 18,024,834.78-26,938,293.06-13,177,346.04

Finding the Fourth Proportional to 18,024,834.78, 26,938,293.06 and 13,177,346.04

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Solution

The fourth proportional to 18,024,834.78, 26,938,293.06 and 13,177,346.04 is: 19,693,673.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024,834.78 : 26,938,293.06 = 13,177,346.04 : x
  2. Step 2: Convert to fraction form
    18,024,834.78/26,938,293.06 = 13,177,346.04/x
  3. Step 3: Cross multiply
    18,024,834.78x = 26,938,293.06 × 13,177,346.04
  4. Step 4: Simplify right side
    18,024,834.78x = 354,975,209,378,550.44
  5. Step 5: Solve for x
    x = 354,975,209,378,550.44/18,024,834.78
  6. Step 6: Final answer
    x = 19,693,673.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.