Home / 30,741,275.14-42,395,501.22-25,505,994.90

Finding the Fourth Proportional to 30,741,275.14, 42,395,501.22 and 25,505,994.90

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Solution

The fourth proportional to 30,741,275.14, 42,395,501.22 and 25,505,994.90 is: 35,175,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741,275.14 : 42,395,501.22 = 25,505,994.90 : x
  2. Step 2: Convert to fraction form
    30,741,275.14/42,395,501.22 = 25,505,994.90/x
  3. Step 3: Cross multiply
    30,741,275.14x = 42,395,501.22 × 25,505,994.90
  4. Step 4: Simplify right side
    30,741,275.14x = 1,081,339,437,900,263.62
  5. Step 5: Solve for x
    x = 1,081,339,437,900,263.62/30,741,275.14
  6. Step 6: Final answer
    x = 35,175,490.70

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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.