Home / 13,204,015.40-19,837,515.90-11,818,332.20

Finding the Fourth Proportional to 13,204,015.40, 19,837,515.90 and 11,818,332.20

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Solution

The fourth proportional to 13,204,015.40, 19,837,515.90 and 11,818,332.20 is: 17,755,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204,015.40 : 19,837,515.90 = 11,818,332.20 : x
  2. Step 2: Convert to fraction form
    13,204,015.40/19,837,515.90 = 11,818,332.20/x
  3. Step 3: Cross multiply
    13,204,015.40x = 19,837,515.90 × 11,818,332.20
  4. Step 4: Simplify right side
    13,204,015.40x = 234,446,352,928,981.94
  5. Step 5: Solve for x
    x = 234,446,352,928,981.94/13,204,015.40
  6. Step 6: Final answer
    x = 17,755,686.12

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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.