Home / 22,189,903.24-30,622,107.95-12,400,347.43

Finding the Fourth Proportional to 22,189,903.24, 30,622,107.95 and 12,400,347.43

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Solution

The fourth proportional to 22,189,903.24, 30,622,107.95 and 12,400,347.43 is: 17,112,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,189,903.24 : 30,622,107.95 = 12,400,347.43 : x
  2. Step 2: Convert to fraction form
    22,189,903.24/30,622,107.95 = 12,400,347.43/x
  3. Step 3: Cross multiply
    22,189,903.24x = 30,622,107.95 × 12,400,347.43
  4. Step 4: Simplify right side
    22,189,903.24x = 379,724,777,780,168.69
  5. Step 5: Solve for x
    x = 379,724,777,780,168.69/22,189,903.24
  6. Step 6: Final answer
    x = 17,112,502.64

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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.