Home / 12,105,867.16-16,705,492.80-6,878,184.76

Finding the Fourth Proportional to 12,105,867.16, 16,705,492.80 and 6,878,184.76

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Solution

The fourth proportional to 12,105,867.16, 16,705,492.80 and 6,878,184.76 is: 9,491,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,867.16 : 16,705,492.80 = 6,878,184.76 : x
  2. Step 2: Convert to fraction form
    12,105,867.16/16,705,492.80 = 6,878,184.76/x
  3. Step 3: Cross multiply
    12,105,867.16x = 16,705,492.80 × 6,878,184.76
  4. Step 4: Simplify right side
    12,105,867.16x = 114,903,465,985,249.73
  5. Step 5: Solve for x
    x = 114,903,465,985,249.73/12,105,867.16
  6. Step 6: Final answer
    x = 9,491,551.86

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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.