Home / 18,303,007.06-25,258,140-10,043,123.62

Finding the Fourth Proportional to 18,303,007.06, 25,258,140 and 10,043,123.62

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Solution

The fourth proportional to 18,303,007.06, 25,258,140 and 10,043,123.62 is: 13,859,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,303,007.06 : 25,258,140 = 10,043,123.62 : x
  2. Step 2: Convert to fraction form
    18,303,007.06/25,258,140 = 10,043,123.62/x
  3. Step 3: Cross multiply
    18,303,007.06x = 25,258,140 × 10,043,123.62
  4. Step 4: Simplify right side
    18,303,007.06x = 253,670,622,431,266.78
  5. Step 5: Solve for x
    x = 253,670,622,431,266.78/18,303,007.06
  6. Step 6: Final answer
    x = 13,859,505.25

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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.