Home / 11,878,875.66-16,392,848.13-6,446,367.66

Finding the Fourth Proportional to 11,878,875.66, 16,392,848.13 and 6,446,367.66

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Solution

The fourth proportional to 11,878,875.66, 16,392,848.13 and 6,446,367.66 is: 8,895,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,875.66 : 16,392,848.13 = 6,446,367.66 : x
  2. Step 2: Convert to fraction form
    11,878,875.66/16,392,848.13 = 6,446,367.66/x
  3. Step 3: Cross multiply
    11,878,875.66x = 16,392,848.13 × 6,446,367.66
  4. Step 4: Simplify right side
    11,878,875.66x = 105,674,326,040,523.48
  5. Step 5: Solve for x
    x = 105,674,326,040,523.48/11,878,875.66
  6. Step 6: Final answer
    x = 8,895,987.22

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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.