Home / 18,135,966.81-25,025,728.37-10,292,984.67

Finding the Fourth Proportional to 18,135,966.81, 25,025,728.37 and 10,292,984.67

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Solution

The fourth proportional to 18,135,966.81, 25,025,728.37 and 10,292,984.67 is: 14,203,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135,966.81 : 25,025,728.37 = 10,292,984.67 : x
  2. Step 2: Convert to fraction form
    18,135,966.81/25,025,728.37 = 10,292,984.67/x
  3. Step 3: Cross multiply
    18,135,966.81x = 25,025,728.37 × 10,292,984.67
  4. Step 4: Simplify right side
    18,135,966.81x = 257,589,438,416,529.16
  5. Step 5: Solve for x
    x = 257,589,438,416,529.16/18,135,966.81
  6. Step 6: Final answer
    x = 14,203,237.20

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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.