Home / 12,105,900.96-16,705,539.18-6,878,218.47

Finding the Fourth Proportional to 12,105,900.96, 16,705,539.18 and 6,878,218.47

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Solution

The fourth proportional to 12,105,900.96, 16,705,539.18 and 6,878,218.47 is: 9,491,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105,900.96 : 16,705,539.18 = 6,878,218.47 : x
  2. Step 2: Convert to fraction form
    12,105,900.96/16,705,539.18 = 6,878,218.47/x
  3. Step 3: Cross multiply
    12,105,900.96x = 16,705,539.18 × 6,878,218.47
  4. Step 4: Simplify right side
    12,105,900.96x = 114,904,348,139,184.64
  5. Step 5: Solve for x
    x = 114,904,348,139,184.64/12,105,900.96
  6. Step 6: Final answer
    x = 9,491,598.23

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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.