Home / 12,080,694.80-16,671,349.08-6,648,186.80

Finding the Fourth Proportional to 12,080,694.80, 16,671,349.08 and 6,648,186.80

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Solution

The fourth proportional to 12,080,694.80, 16,671,349.08 and 6,648,186.80 is: 9,174,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,694.80 : 16,671,349.08 = 6,648,186.80 : x
  2. Step 2: Convert to fraction form
    12,080,694.80/16,671,349.08 = 6,648,186.80/x
  3. Step 3: Cross multiply
    12,080,694.80x = 16,671,349.08 × 6,648,186.80
  4. Step 4: Simplify right side
    12,080,694.80x = 110,834,242,891,848.14
  5. Step 5: Solve for x
    x = 110,834,242,891,848.14/12,080,694.80
  6. Step 6: Final answer
    x = 9,174,492.42

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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.