Home / 11,878,876.66-16,392,849.51-6,446,368.66

Finding the Fourth Proportional to 11,878,876.66, 16,392,849.51 and 6,446,368.66

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Solution

The fourth proportional to 11,878,876.66, 16,392,849.51 and 6,446,368.66 is: 8,895,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,876.66 : 16,392,849.51 = 6,446,368.66 : x
  2. Step 2: Convert to fraction form
    11,878,876.66/16,392,849.51 = 6,446,368.66/x
  3. Step 3: Cross multiply
    11,878,876.66x = 16,392,849.51 × 6,446,368.66
  4. Step 4: Simplify right side
    11,878,876.66x = 105,674,351,329,360.36
  5. Step 5: Solve for x
    x = 105,674,351,329,360.36/11,878,876.66
  6. Step 6: Final answer
    x = 8,895,988.60

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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.