Home / 12,875,562.39-19,310,347.26-4,792,344.78

Finding the Fourth Proportional to 12,875,562.39, 19,310,347.26 and 4,792,344.78

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Solution

The fourth proportional to 12,875,562.39, 19,310,347.26 and 4,792,344.78 is: 7,187,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,562.39 : 19,310,347.26 = 4,792,344.78 : x
  2. Step 2: Convert to fraction form
    12,875,562.39/19,310,347.26 = 4,792,344.78/x
  3. Step 3: Cross multiply
    12,875,562.39x = 19,310,347.26 × 4,792,344.78
  4. Step 4: Simplify right side
    12,875,562.39x = 92,541,841,891,448.31
  5. Step 5: Solve for x
    x = 92,541,841,891,448.31/12,875,562.39
  6. Step 6: Final answer
    x = 7,187,401.92

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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.