Home / 12,935,736.11-19,405,542.13-4,179,088.76

Finding the Fourth Proportional to 12,935,736.11, 19,405,542.13 and 4,179,088.76

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Solution

The fourth proportional to 12,935,736.11, 19,405,542.13 and 4,179,088.76 is: 6,269,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,736.11 : 19,405,542.13 = 4,179,088.76 : x
  2. Step 2: Convert to fraction form
    12,935,736.11/19,405,542.13 = 4,179,088.76/x
  3. Step 3: Cross multiply
    12,935,736.11x = 19,405,542.13 × 4,179,088.76
  4. Step 4: Simplify right side
    12,935,736.11x = 81,097,482,889,714.03
  5. Step 5: Solve for x
    x = 81,097,482,889,714.03/12,935,736.11
  6. Step 6: Final answer
    x = 6,269,259.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.