Home / 30,150,774.39-45,220,392.77-11,706,719.79

Finding the Fourth Proportional to 30,150,774.39, 45,220,392.77 and 11,706,719.79

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Solution

The fourth proportional to 30,150,774.39, 45,220,392.77 and 11,706,719.79 is: 17,557,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150,774.39 : 45,220,392.77 = 11,706,719.79 : x
  2. Step 2: Convert to fraction form
    30,150,774.39/45,220,392.77 = 11,706,719.79/x
  3. Step 3: Cross multiply
    30,150,774.39x = 45,220,392.77 × 11,706,719.79
  4. Step 4: Simplify right side
    30,150,774.39x = 529,382,466,893,598.31
  5. Step 5: Solve for x
    x = 529,382,466,893,598.31/30,150,774.39
  6. Step 6: Final answer
    x = 17,557,839.81

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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.