Home / 11,647,937.84-16,069,419.48-7,729,541.78

Finding the Fourth Proportional to 11,647,937.84, 16,069,419.48 and 7,729,541.78

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Solution

The fourth proportional to 11,647,937.84, 16,069,419.48 and 7,729,541.78 is: 10,663,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647,937.84 : 16,069,419.48 = 7,729,541.78 : x
  2. Step 2: Convert to fraction form
    11,647,937.84/16,069,419.48 = 7,729,541.78/x
  3. Step 3: Cross multiply
    11,647,937.84x = 16,069,419.48 × 7,729,541.78
  4. Step 4: Simplify right side
    11,647,937.84x = 124,209,249,251,005.88
  5. Step 5: Solve for x
    x = 124,209,249,251,005.88/11,647,937.84
  6. Step 6: Final answer
    x = 10,663,625.70

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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.