Home / 12,046,172.81-18,069,258.68-3,526,509.25

Finding the Fourth Proportional to 12,046,172.81, 18,069,258.68 and 3,526,509.25

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Solution

The fourth proportional to 12,046,172.81, 18,069,258.68 and 3,526,509.25 is: 5,289,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046,172.81 : 18,069,258.68 = 3,526,509.25 : x
  2. Step 2: Convert to fraction form
    12,046,172.81/18,069,258.68 = 3,526,509.25/x
  3. Step 3: Cross multiply
    12,046,172.81x = 18,069,258.68 × 3,526,509.25
  4. Step 4: Simplify right side
    12,046,172.81x = 63,721,407,767,683.95
  5. Step 5: Solve for x
    x = 63,721,407,767,683.95/12,046,172.81
  6. Step 6: Final answer
    x = 5,289,763.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.