Home / 12,175,696.80-16,768,216.08-10,119,877.92

Finding the Fourth Proportional to 12,175,696.80, 16,768,216.08 and 10,119,877.92

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Solution

The fourth proportional to 12,175,696.80, 16,768,216.08 and 10,119,877.92 is: 13,936,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175,696.80 : 16,768,216.08 = 10,119,877.92 : x
  2. Step 2: Convert to fraction form
    12,175,696.80/16,768,216.08 = 10,119,877.92/x
  3. Step 3: Cross multiply
    12,175,696.80x = 16,768,216.08 × 10,119,877.92
  4. Step 4: Simplify right side
    12,175,696.80x = 169,692,299,665,780.94
  5. Step 5: Solve for x
    x = 169,692,299,665,780.94/12,175,696.80
  6. Step 6: Final answer
    x = 13,936,968.25

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1.5x scale

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.