Home / 13,792,137.17-19,012,716.63-8,829,869.13

Finding the Fourth Proportional to 13,792,137.17, 19,012,716.63 and 8,829,869.13

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Solution

The fourth proportional to 13,792,137.17, 19,012,716.63 and 8,829,869.13 is: 12,172,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792,137.17 : 19,012,716.63 = 8,829,869.13 : x
  2. Step 2: Convert to fraction form
    13,792,137.17/19,012,716.63 = 8,829,869.13/x
  3. Step 3: Cross multiply
    13,792,137.17x = 19,012,716.63 × 8,829,869.13
  4. Step 4: Simplify right side
    13,792,137.17x = 167,879,799,648,674.62
  5. Step 5: Solve for x
    x = 167,879,799,648,674.62/13,792,137.17
  6. Step 6: Final answer
    x = 12,172,138.20

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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.