Home / 12,331,762.16-17,017,868.18-6,825,519.45

Finding the Fourth Proportional to 12,331,762.16, 17,017,868.18 and 6,825,519.45

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Solution

The fourth proportional to 12,331,762.16, 17,017,868.18 and 6,825,519.45 is: 9,419,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,762.16 : 17,017,868.18 = 6,825,519.45 : x
  2. Step 2: Convert to fraction form
    12,331,762.16/17,017,868.18 = 6,825,519.45/x
  3. Step 3: Cross multiply
    12,331,762.16x = 17,017,868.18 × 6,825,519.45
  4. Step 4: Simplify right side
    12,331,762.16x = 116,155,790,277,189.91
  5. Step 5: Solve for x
    x = 116,155,790,277,189.91/12,331,762.16
  6. Step 6: Final answer
    x = 9,419,236.99

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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.