Home / 12,080,874.28-16,671,609.25-6,648,366.28

Finding the Fourth Proportional to 12,080,874.28, 16,671,609.25 and 6,648,366.28

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Solution

The fourth proportional to 12,080,874.28, 16,671,609.25 and 6,648,366.28 is: 9,174,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,874.28 : 16,671,609.25 = 6,648,366.28 : x
  2. Step 2: Convert to fraction form
    12,080,874.28/16,671,609.25 = 6,648,366.28/x
  3. Step 3: Cross multiply
    12,080,874.28x = 16,671,609.25 × 6,648,366.28
  4. Step 4: Simplify right side
    12,080,874.28x = 110,838,964,671,057.14
  5. Step 5: Solve for x
    x = 110,838,964,671,057.14/12,080,874.28
  6. Step 6: Final answer
    x = 9,174,746.97

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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.