Home / 11,829,703.80-17,744,555.70-7,790,752.20

Finding the Fourth Proportional to 11,829,703.80, 17,744,555.70 and 7,790,752.20

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Solution

The fourth proportional to 11,829,703.80, 17,744,555.70 and 7,790,752.20 is: 11,686,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829,703.80 : 17,744,555.70 = 7,790,752.20 : x
  2. Step 2: Convert to fraction form
    11,829,703.80/17,744,555.70 = 7,790,752.20/x
  3. Step 3: Cross multiply
    11,829,703.80x = 17,744,555.70 × 7,790,752.20
  4. Step 4: Simplify right side
    11,829,703.80x = 138,243,436,357,797.53
  5. Step 5: Solve for x
    x = 138,243,436,357,797.53/11,829,703.80
  6. Step 6: Final answer
    x = 11,686,128.30

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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.