Home / 30,943,195.32-42,702,685.74-17,192,739

Finding the Fourth Proportional to 30,943,195.32, 42,702,685.74 and 17,192,739

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Solution

The fourth proportional to 30,943,195.32, 42,702,685.74 and 17,192,739 is: 23,726,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943,195.32 : 42,702,685.74 = 17,192,739 : x
  2. Step 2: Convert to fraction form
    30,943,195.32/42,702,685.74 = 17,192,739/x
  3. Step 3: Cross multiply
    30,943,195.32x = 42,702,685.74 × 17,192,739
  4. Step 4: Simplify right side
    30,943,195.32x = 734,176,130,526,841.88
  5. Step 5: Solve for x
    x = 734,176,130,526,841.88/30,943,195.32
  6. Step 6: Final answer
    x = 23,726,577.78

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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.