Home / 7,713,139.77-10,644,064.83-4,228,415.21

Finding the Fourth Proportional to 7,713,139.77, 10,644,064.83 and 4,228,415.21

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Solution

The fourth proportional to 7,713,139.77, 10,644,064.83 and 4,228,415.21 is: 5,835,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713,139.77 : 10,644,064.83 = 4,228,415.21 : x
  2. Step 2: Convert to fraction form
    7,713,139.77/10,644,064.83 = 4,228,415.21/x
  3. Step 3: Cross multiply
    7,713,139.77x = 10,644,064.83 × 4,228,415.21
  4. Step 4: Simplify right side
    7,713,139.77x = 45,007,525,602,025.66
  5. Step 5: Solve for x
    x = 45,007,525,602,025.66/7,713,139.77
  6. Step 6: Final answer
    x = 5,835,175.68

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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.