Home / 13,190,981.40-19,786,472.10-11,065,217.40

Finding the Fourth Proportional to 13,190,981.40, 19,786,472.10 and 11,065,217.40

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Solution

The fourth proportional to 13,190,981.40, 19,786,472.10 and 11,065,217.40 is: 16,597,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,981.40 : 19,786,472.10 = 11,065,217.40 : x
  2. Step 2: Convert to fraction form
    13,190,981.40/19,786,472.10 = 11,065,217.40/x
  3. Step 3: Cross multiply
    13,190,981.40x = 19,786,472.10 × 11,065,217.40
  4. Step 4: Simplify right side
    13,190,981.40x = 218,941,615,365,534.56
  5. Step 5: Solve for x
    x = 218,941,615,365,534.56/13,190,981.40
  6. Step 6: Final answer
    x = 16,597,826.10

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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.