Home / 11,982,011.70-17,973,017.55-9,962,535.90

Finding the Fourth Proportional to 11,982,011.70, 17,973,017.55 and 9,962,535.90

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Solution

The fourth proportional to 11,982,011.70, 17,973,017.55 and 9,962,535.90 is: 14,943,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982,011.70 : 17,973,017.55 = 9,962,535.90 : x
  2. Step 2: Convert to fraction form
    11,982,011.70/17,973,017.55 = 9,962,535.90/x
  3. Step 3: Cross multiply
    11,982,011.70x = 17,973,017.55 × 9,962,535.90
  4. Step 4: Simplify right side
    11,982,011.70x = 179,056,832,573,205.06
  5. Step 5: Solve for x
    x = 179,056,832,573,205.06/11,982,011.70
  6. Step 6: Final answer
    x = 14,943,803.85

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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.