Home / 30,704,512.59-42,354,465.44-19,839,496.59

Finding the Fourth Proportional to 30,704,512.59, 42,354,465.44 and 19,839,496.59

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Solution

The fourth proportional to 30,704,512.59, 42,354,465.44 and 19,839,496.59 is: 27,367,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704,512.59 : 42,354,465.44 = 19,839,496.59 : x
  2. Step 2: Convert to fraction form
    30,704,512.59/42,354,465.44 = 19,839,496.59/x
  3. Step 3: Cross multiply
    30,704,512.59x = 42,354,465.44 × 19,839,496.59
  4. Step 4: Simplify right side
    30,704,512.59x = 840,291,272,568,955.38
  5. Step 5: Solve for x
    x = 840,291,272,568,955.38/30,704,512.59
  6. Step 6: Final answer
    x = 27,367,028.55

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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.