Home / 12,080,589.12-16,671,215.76-6,648,081.12

Finding the Fourth Proportional to 12,080,589.12, 16,671,215.76 and 6,648,081.12

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Solution

The fourth proportional to 12,080,589.12, 16,671,215.76 and 6,648,081.12 is: 9,174,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,589.12 : 16,671,215.76 = 6,648,081.12 : x
  2. Step 2: Convert to fraction form
    12,080,589.12/16,671,215.76 = 6,648,081.12/x
  3. Step 3: Cross multiply
    12,080,589.12x = 16,671,215.76 × 6,648,081.12
  4. Step 4: Simplify right side
    12,080,589.12x = 110,831,594,741,502.45
  5. Step 5: Solve for x
    x = 110,831,594,741,502.45/12,080,589.12
  6. Step 6: Final answer
    x = 9,174,353.47

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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.