Home / 7,639,963.88-10,544,647.85-4,378,964.30

Finding the Fourth Proportional to 7,639,963.88, 10,544,647.85 and 4,378,964.30

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Solution

The fourth proportional to 7,639,963.88, 10,544,647.85 and 4,378,964.30 is: 6,043,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,963.88 : 10,544,647.85 = 4,378,964.30 : x
  2. Step 2: Convert to fraction form
    7,639,963.88/10,544,647.85 = 4,378,964.30/x
  3. Step 3: Cross multiply
    7,639,963.88x = 10,544,647.85 × 4,378,964.30
  4. Step 4: Simplify right side
    7,639,963.88x = 46,174,636,416,603.70
  5. Step 5: Solve for x
    x = 46,174,636,416,603.70/7,639,963.88
  6. Step 6: Final answer
    x = 6,043,829.16

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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.