Home / 30,767,281.88-42,471,922.44-19,170,574.96

Finding the Fourth Proportional to 30,767,281.88, 42,471,922.44 and 19,170,574.96

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Solution

The fourth proportional to 30,767,281.88, 42,471,922.44 and 19,170,574.96 is: 26,463,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,281.88 : 42,471,922.44 = 19,170,574.96 : x
  2. Step 2: Convert to fraction form
    30,767,281.88/42,471,922.44 = 19,170,574.96/x
  3. Step 3: Cross multiply
    30,767,281.88x = 42,471,922.44 × 19,170,574.96
  4. Step 4: Simplify right side
    30,767,281.88x = 814,211,172,523,113.62
  5. Step 5: Solve for x
    x = 814,211,172,523,113.62/30,767,281.88
  6. Step 6: Final answer
    x = 26,463,539.28

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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.