Home / 12,515,476-17,271,356.88-6,792,340

Finding the Fourth Proportional to 12,515,476, 17,271,356.88 and 6,792,340

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Solution

The fourth proportional to 12,515,476, 17,271,356.88 and 6,792,340 is: 9,373,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,476 : 17,271,356.88 = 6,792,340 : x
  2. Step 2: Convert to fraction form
    12,515,476/17,271,356.88 = 6,792,340/x
  3. Step 3: Cross multiply
    12,515,476x = 17,271,356.88 × 6,792,340
  4. Step 4: Simplify right side
    12,515,476x = 117,312,928,190,299.19
  5. Step 5: Solve for x
    x = 117,312,928,190,299.19/12,515,476
  6. Step 6: Final answer
    x = 9,373,429.20

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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.