Home / 12,944,114.88-17,865,935.58-7,440,682.11

Finding the Fourth Proportional to 12,944,114.88, 17,865,935.58 and 7,440,682.11

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Solution

The fourth proportional to 12,944,114.88, 17,865,935.58 and 7,440,682.11 is: 10,269,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,114.88 : 17,865,935.58 = 7,440,682.11 : x
  2. Step 2: Convert to fraction form
    12,944,114.88/17,865,935.58 = 7,440,682.11/x
  3. Step 3: Cross multiply
    12,944,114.88x = 17,865,935.58 × 7,440,682.11
  4. Step 4: Simplify right side
    12,944,114.88x = 132,934,747,248,518.47
  5. Step 5: Solve for x
    x = 132,934,747,248,518.47/12,944,114.88
  6. Step 6: Final answer
    x = 10,269,898.60

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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.